College Mathematics for Trades and Technologies (10th Edition) (What's New in Trade Math)
College Mathematics for Trades and Technologies (10th Edition) (What's New in Trade Math)
10th Edition
ISBN: 9780134690339
Author: Cheryl Cleaves, Margie Hobbs
Publisher: PEARSON
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The main dissimilarity between real and complex roots is that the real roots are obtained as real numbers, in contrast with the complex roots, which are indicated as imaginary numbers. The standard format for depicting any complex number is in the form o…
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Chapter 15, Problem 1RE
To determine

To identify: The nature of the given quadratic equation as pure, incomplete or complete.

Expert Solution & Answer
Check Mark

Answer to Problem 1RE

The quadratic equation x2=49 is pure.

Explanation of Solution

Definition used:

Complete quadratic equation:

A quadratic equation that has quadratic, linear, and constant terms is referred to as complete quadratic equation. Its standard form is ax2+bx+c=0, where a, b, and c are real numbers.

Incomplete quadratic equation:

A quadratic equation that has quadratic, and linear terms is referred to as incomplete quadratic equation. Its standard form is ax2+bx=0, where a, and b are real numbers.

pure quadratic equation:

A quadratic equation that has quadratic, and constant terms is referred to as pure quadratic equation. Its standard form is ax2+c=0, where a, and c are real numbers.

Interpretation:

The given quadratic equation is x2=49.

Rewrite the above quadratic equation as x2−49=0.

The quadratic equation x2−49=0 is equivalent to the quadratic equation of the form ax2+c=0, where a = 1 and c = – 49.

That is, the quadratic equation has no linear term.

Thus, by definition, the quadratic equation x2=49 is pure.

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Chapter 15 Solutions

College Mathematics for Trades and Technologies (10th Edition) (What's New in Trade Math)

Ch. 15.1 - Write 3x − 7 + 4x2 in descending order of x. Ch. 15.1 - Prob. 1ECh. 15.1 - Prob. 2ECh. 15.1 - Prob. 3ECh. 15.1 - Prob. 4ECh. 15.1 - Prob. 5ECh. 15.1 - Prob. 6ECh. 15.1 - Prob. 7ECh. 15.1 - Prob. 8ECh. 15.1 - Prob. 9E
Ch. 15.1 - Prob. 10ECh. 15.1 - Prob. 11ECh. 15.1 - Prob. 12ECh. 15.1 - Prob. 13ECh. 15.1 - Prob. 14ECh. 15.1 - Prob. 15ECh. 15.1 - Prob. 16ECh. 15.1 - Write each equation in standard form and identify...Ch. 15.1 - Prob. 18ECh. 15.1 - Prob. 19ECh. 15.1 - Prob. 20ECh. 15.1 - Prob. 21ECh. 15.1 - Prob. 22ECh. 15.1 - Prob. 23ECh. 15.1 - Prob. 24ECh. 15.1 - Prob. 25ECh. 15.1 - Prob. 26ECh. 15.1 - Prob. 27ECh. 15.1 - Prob. 28ECh. 15.1 - Prob. 29ECh. 15.1 - Prob. 30ECh. 15.1 - Prob. 31ECh. 15.1 - Prob. 32ECh. 15.1 - Prob. 33ECh. 15.1 - Prob. 34ECh. 15.1 - Prob. 35ECh. 15.1 - Prob. 36ECh. 15.1 - Prob. 37ECh. 15.1 - Prob. 38ECh. 15.1 - Prob. 39ECh. 15.1 - Prob. 40ECh. 15.1 - Prob. 41ECh. 15.1 - Prob. 42ECh. 15.1 - Prob. 43ECh. 15.1 - Prob. 44ECh. 15.1 - Prob. 45ECh. 15.1 - Prob. 46ECh. 15.1 - Prob. 47ECh. 15.2 - Factor 10x2 − 15x for x. Ch. 15.2 - Factor 3x2 + 7x − 6 for x. Ch. 15.2 - Solve by factoring. Ch. 15.2 - Prob. 2ECh. 15.2 - Prob. 3ECh. 15.2 - Prob. 4ECh. 15.2 - Prob. 5ECh. 15.2 - Prob. 6ECh. 15.2 - Prob. 7ECh. 15.2 - Prob. 8ECh. 15.2 - Prob. 9ECh. 15.2 - Prob. 10ECh. 15.2 - Prob. 11ECh. 15.2 - Prob. 12ECh. 15.2 - Prob. 13ECh. 15.2 - Prob. 14ECh. 15.2 - Prob. 15ECh. 15.2 - Prob. 16ECh. 15.2 - Prob. 17ECh. 15.2 - Solve the equations by factoring. Ch. 15.2 - Prob. 19ECh. 15.2 - Prob. 20ECh. 15.2 - Prob. 21ECh. 15.2 - Prob. 22ECh. 15.2 - Prob. 23ECh. 15.2 - Prob. 24ECh. 15.2 - Prob. 25ECh. 15.2 - Prob. 26ECh. 15.2 - Prob. 27ECh. 15.2 - Prob. 28ECh. 15.2 - Prob. 29ECh. 15.2 - Prob. 30ECh. 15.2 - Prob. 31ECh. 15.2 - Prob. 32ECh. 15.2 - Prob. 33ECh. 15.2 - Prob. 34ECh. 15.2 - Prob. 35ECh. 15.2 - Prob. 36ECh. 15.2 - Prob. 37ECh. 15.2 - Prob. 38ECh. 15.2 - Prob. 39ECh. 15.2 - Prob. 40ECh. 15.2 - Prob. 41ECh. 15.2 - Prob. 42ECh. 15.3 - Expand . Ch. 15.3 - Prob. 1ECh. 15.3 - Prob. 2ECh. 15.3 - Prob. 3ECh. 15.3 - Prob. 4ECh. 15.3 - Prob. 5ECh. 15.3 - Prob. 6ECh. 15.3 - Prob. 7ECh. 15.3 - Prob. 8ECh. 15.3 - Prob. 9ECh. 15.3 - Prob. 10ECh. 15.3 - Prob. 11ECh. 15.3 - Prob. 12ECh. 15.3 - Prob. 13ECh. 15.3 - Prob. 14ECh. 15.3 - Prob. 15ECh. 15.3 - Prob. 16ECh. 15.3 - Prob. 17ECh. 15.3 - Prob. 18ECh. 15.3 - Prob. 19ECh. 15.3 - Prob. 20ECh. 15.3 - Prob. 21ECh. 15.3 - Prob. 22ECh. 15.3 - Prob. 23ECh. 15.3 - Prob. 24ECh. 15.3 - Prob. 25ECh. 15.3 - Prob. 26ECh. 15.3 - Prob. 27ECh. 15.3 - Prob. 28ECh. 15.3 - Prob. 29ECh. 15.3 - Prob. 30ECh. 15.3 - Prob. 31ECh. 15.3 - Prob. 32ECh. 15.3 - Prob. 33ECh. 15.3 - Prob. 34ECh. 15.3 - Prob. 35ECh. 15.3 - Prob. 36ECh. 15.4 - Prob. 1LCCh. 15.4 - Prob. 1ECh. 15.4 - Prob. 2ECh. 15.4 - Prob. 3ECh. 15.4 - Prob. 4ECh. 15.4 - Prob. 5ECh. 15.4 - Prob. 6ECh. 15.4 - Prob. 7ECh. 15.4 - Prob. 8ECh. 15.4 - Prob. 9ECh. 15.4 - Prob. 10ECh. 15.4 - Prob. 11ECh. 15.4 - Prob. 12ECh. 15.4 - Prob. 13ECh. 15.4 - Prob. 14ECh. 15.4 - Prob. 15ECh. 15.4 - Prob. 16ECh. 15.4 - Prob. 17ECh. 15.4 - Prob. 18ECh. 15.4 - Prob. 19ECh. 15.4 - Prob. 20ECh. 15.4 - Prob. 21ECh. 15.4 - Prob. 22ECh. 15.4 - Prob. 23ECh. 15.4 - Prob. 24ECh. 15.4 - Prob. 25ECh. 15.4 - Prob. 26ECh. 15.4 - Prob. 27ECh. 15.4 - Prob. 28ECh. 15.4 - Prob. 29ECh. 15.4 - Prob. 30ECh. 15.4 - Prob. 31ECh. 15.4 - Prob. 32ECh. 15.5 - Prob. 1LCCh. 15.5 - Prob. 2LCCh. 15.5 - Prob. 3LCCh. 15.5 - Prob. 1ECh. 15.5 - Prob. 2ECh. 15.5 - Prob. 3ECh. 15.5 - Prob. 4ECh. 15.5 - Prob. 5ECh. 15.5 - Prob. 6ECh. 15.5 - Prob. 7ECh. 15.5 - Prob. 8ECh. 15.5 - Prob. 9ECh. 15.5 - Prob. 10ECh. 15.5 - Prob. 11ECh. 15.5 - Prob. 12ECh. 15.5 - Prob. 13ECh. 15.5 - Prob. 14ECh. 15.5 - Prob. 15ECh. 15.5 - Prob. 16ECh. 15.5 - Prob. 17ECh. 15.5 - Prob. 18ECh. 15.5 - Prob. 19ECh. 15.5 - Prob. 20ECh. 15.5 - Prob. 21ECh. 15.5 - Prob. 22ECh. 15.5 - Prob. 23ECh. 15.5 - Prob. 24ECh. 15.5 - Prob. 25ECh. 15.5 - Prob. 26ECh. 15.5 - Prob. 27ECh. 15.5 - Prob. 28ECh. 15.5 - Prob. 29ECh. 15.5 - Prob. 30ECh. 15.5 - Find the domain and range of the functions or...Ch. 15.5 - Prob. 32ECh. 15.5 - Prob. 33ECh. 15.5 - Find the domain and range of the functions or...Ch. 15.5 - Prob. 35ECh. 15.5 - Find the domain and range of the functions or...Ch. 15.6 - Prob. 1LCCh. 15.6 - Prob. 1ECh. 15.6 - Prob. 2ECh. 15.6 - Prob. 3ECh. 15.6 - Prob. 4ECh. 15.6 - Prob. 5ECh. 15.6 - Prob. 6ECh. 15.6 - Prob. 7ECh. 15.6 - Prob. 8ECh. 15.6 - Prob. 9ECh. 15.6 - Prob. 10ECh. 15.6 - Prob. 11ECh. 15.6 - Prob. 12ECh. 15.6 - Prob. 13ECh. 15.6 - Prob. 14ECh. 15.6 - Prob. 15ECh. 15.6 - Prob. 16ECh. 15.6 - Prob. 17ECh. 15.6 - Prob. 18ECh. 15.7 - Prob. 1LCCh. 15.7 - Prob. 1ECh. 15.7 - Prob. 2ECh. 15.7 - Prob. 3ECh. 15.7 - Prob. 4ECh. 15.7 - Prob. 5ECh. 15.7 - Prob. 6ECh. 15.7 - Prob. 7ECh. 15.7 - Prob. 8ECh. 15.7 - Prob. 9ECh. 15.7 - Prob. 10ECh. 15.7 - Prob. 11ECh. 15.7 - Prob. 12ECh. 15.7 - Prob. 13ECh. 15.7 - Prob. 14ECh. 15.7 - Prob. 15ECh. 15.7 - Prob. 16ECh. 15.7 - Prob. 17ECh. 15.7 - Prob. 18ECh. 15.7 - Prob. 19ECh. 15.7 - Prob. 20ECh. 15.7 - Prob. 21ECh. 15.7 - Prob. 22ECh. 15.7 - Prob. 23ECh. 15.7 - Prob. 24ECh. 15.7 - Prob. 25ECh. 15.7 - Prob. 26ECh. 15.7 - Prob. 27ECh. 15.7 - Prob. 28ECh. 15.7 - Prob. 29ECh. 15.7 - Prob. 30ECh. 15.7 - Prob. 31ECh. 15.7 - Prob. 32ECh. 15.7 - Prob. 33ECh. 15.7 - Prob. 34ECh. 15.7 - Find the solution set for each inequality. Graph...Ch. 15.7 - Prob. 36ECh. 15.7 - Prob. 37ECh. 15.7 - Prob. 38ECh. 15.7 - Prob. 39ECh. 15.7 - Prob. 40ECh. 15.7 - Prob. 41ECh. 15.7 - Prob. 42ECh. 15.7 - Prob. 43ECh. 15.7 - Prob. 44ECh. 15.7 - Prob. 45ECh. 15.7 - Prob. 46ECh. 15.7 - Prob. 47ECh. 15.7 - Prob. 48ECh. 15.7 - Prob. 49ECh. 15.7 - Prob. 50ECh. 15.7 - Prob. 51ECh. 15.7 - Prob. 52ECh. 15.7 - Prob. 53ECh. 15.7 - Prob. 54ECh. 15.7 - Prob. 55ECh. 15.7 - Prob. 56ECh. 15.7 - Prob. 57ECh. 15.7 - Prob. 58ECh. 15.7 - Prob. 59ECh. 15.7 - Prob. 60ECh. 15.7 - Prob. 61ECh. 15.7 - Prob. 62ECh. 15.7 - Prob. 63ECh. 15.7 - Prob. 64ECh. 15.7 - Prob. 65ECh. 15.7 - Prob. 66ECh. 15.7 - Prob. 67ECh. 15.7 - Prob. 68ECh. 15.7 - Prob. 69ECh. 15.7 - Prob. 70ECh. 15 - Prob. 1RECh. 15 - Prob. 2RECh. 15 - Prob. 3RECh. 15 - Prob. 4RECh. 15 - Prob. 5RECh. 15 - Prob. 6RECh. 15 - Prob. 7RECh. 15 - Prob. 8RECh. 15 - Prob. 9RECh. 15 - Prob. 10RECh. 15 - Prob. 11RECh. 15 - Prob. 12RECh. 15 - Prob. 13RECh. 15 - Prob. 14RECh. 15 - Prob. 15RECh. 15 - Prob. 16RECh. 15 - Prob. 17RECh. 15 - Prob. 18RECh. 15 - Prob. 19RECh. 15 - Prob. 20RECh. 15 - Solve the equations by the square-root method....Ch. 15 - Prob. 22RECh. 15 - Prob. 23RECh. 15 - Prob. 24RECh. 15 - Prob. 25RECh. 15 - Prob. 26RECh. 15 - Prob. 27RECh. 15 - Prob. 28RECh. 15 - Prob. 29RECh. 15 - Prob. 30RECh. 15 - Prob. 31RECh. 15 - Prob. 32RECh. 15 - Prob. 33RECh. 15 - Prob. 34RECh. 15 - Prob. 35RECh. 15 - Prob. 36RECh. 15 - Prob. 37RECh. 15 - Prob. 38RECh. 15 - Prob. 39RECh. 15 - Prob. 40RECh. 15 - Prob. 41RECh. 15 - Prob. 42RECh. 15 - Prob. 43RECh. 15 - Prob. 44RECh. 15 - Prob. 45RECh. 15 - Prob. 46RECh. 15 - Prob. 47RECh. 15 - Prob. 48RECh. 15 - Prob. 49RECh. 15 - Prob. 50RECh. 15 - Prob. 51RECh. 15 - Prob. 52RECh. 15 - Prob. 53RECh. 15 - Prob. 54RECh. 15 - Prob. 55RECh. 15 - Prob. 56RECh. 15 - Prob. 57RECh. 15 - Prob. 58RECh. 15 - Prob. 59RECh. 15 - Prob. 60RECh. 15 - Prob. 61RECh. 15 - Prob. 62RECh. 15 - Prob. 63RECh. 15 - Prob. 64RECh. 15 - Prob. 65RECh. 15 - Prob. 66RECh. 15 - Prob. 67RECh. 15 - Prob. 68RECh. 15 - Prob. 69RECh. 15 - Prob. 70RECh. 15 - Prob. 71RECh. 15 - Prob. 72RECh. 15 - Prob. 73RECh. 15 - Prob. 74RECh. 15 - Prob. 75RECh. 15 - Prob. 76RECh. 15 - Prob. 77RECh. 15 - Prob. 78RECh. 15 - Prob. 79RECh. 15 - Prob. 80RECh. 15 - Prob. 81RECh. 15 - Prob. 82RECh. 15 - Prob. 83RECh. 15 - Prob. 84RECh. 15 - Prob. 85RECh. 15 - Prob. 86RECh. 15 - Prob. 87RECh. 15 - Prob. 88RECh. 15 - Prob. 89RECh. 15 - Prob. 90RECh. 15 - Prob. 91RECh. 15 - Prob. 92RECh. 15 - Prob. 93RECh. 15 - Prob. 94RECh. 15 - Prob. 95RECh. 15 - Prob. 96RECh. 15 - Prob. 97RECh. 15 - Prob. 98RECh. 15 - Prob. 99RECh. 15 - Prob. 100RECh. 15 - Prob. 101RECh. 15 - Prob. 102RECh. 15 - Prob. 103RECh. 15 - Prob. 104RECh. 15 - Prob. 105RECh. 15 - Prob. 106RECh. 15 - Prob. 107RECh. 15 - Prob. 108RECh. 15 - Prob. 109RECh. 15 - Prob. 110RECh. 15 - Prob. 111RECh. 15 - Prob. 112RECh. 15 - Prob. 113RECh. 15 - Prob. 114RECh. 15 - Prob. 115RECh. 15 - Prob. 116RECh. 15 - Prob. 117RECh. 15 - Prob. 118RECh. 15 - Prob. 119RECh. 15 - Prob. 120RECh. 15 - Prob. 121RECh. 15 - Prob. 122RECh. 15 - Prob. 123RECh. 15 - Prob. 124RECh. 15 - Prob. 125RECh. 15 - Prob. 126RECh. 15 - Prob. 127RECh. 15 - Prob. 128RECh. 15 - Prob. 129RECh. 15 - Prob. 130RECh. 15 - Prob. 131RECh. 15 - Prob. 132RECh. 15 - Prob. 133RECh. 15 - Prob. 134RECh. 15 - Prob. 135RECh. 15 - Prob. 136RECh. 15 - Prob. 137RECh. 15 - Prob. 138RECh. 15 - Prob. 139RECh. 15 - Prob. 140RECh. 15 - Prob. 141RECh. 15 - Prob. 142RECh. 15 - Prob. 143RECh. 15 - Prob. 144RECh. 15 - Prob. 145RECh. 15 - Prob. 146RECh. 15 - Prob. 147RECh. 15 - Prob. 148RECh. 15 - Prob. 149RECh. 15 - Prob. 150RECh. 15 - Prob. 151RECh. 15 - Prob. 152RECh. 15 - Prob. 153RECh. 15 - Prob. 154RECh. 15 - Prob. 155RECh. 15 - Prob. 156RECh. 15 - Prob. 157RECh. 15 - Prob. 158RECh. 15 - Prob. 159RECh. 15 - Prob. 160RECh. 15 - Prob. 161RECh. 15 - Prob. 162RECh. 15 - Prob. 163RECh. 15 - Prob. 164RECh. 15 - Prob. 165RECh. 15 - Prob. 166RECh. 15 - Prob. 167RECh. 15 - Prob. 168RECh. 15 - Prob. 169RECh. 15 - Prob. 170RECh. 15 - Prob. 171RECh. 15 - Prob. 172RECh. 15 - Prob. 173RECh. 15 - Prob. 174RECh. 15 - Prob. 175RECh. 15 - Prob. 176RECh. 15 - Prob. 177RECh. 15 - Prob. 178RECh. 15 - Prob. 179RECh. 15 - Prob. 180RECh. 15 - Prob. 181RECh. 15 - Prob. 182RECh. 15 - Solve each inequality and graph the solution on a...Ch. 15 - Prob. 184RECh. 15 - Solve each inequality and graph the solution on a...Ch. 15 - Prob. 186RECh. 15 - Prob. 187RECh. 15 - Prob. 188RECh. 15 - Prob. 189RECh. 15 - Prob. 190RECh. 15 - Prob. 191RECh. 15 - Prob. 192RECh. 15 - Prob. 193RECh. 15 - Prob. 194RECh. 15 - Prob. 195RECh. 15 - Prob. 196RECh. 15 - Prob. 197RECh. 15 - Prob. 198RECh. 15 - Prob. 199RECh. 15 - Prob. 200RECh. 15 - Prob. 201RECh. 15 - Prob. 202RECh. 15 - Prob. 203RECh. 15 - Prob. 204RECh. 15 - Prob. 205RECh. 15 - Prob. 206RECh. 15 - Prob. 207RECh. 15 - Prob. 208RECh. 15 - Solve each equation containing an absolute...Ch. 15 - Prob. 210RECh. 15 - Prob. 211RECh. 15 - Prob. 212RECh. 15 - Prob. 213RECh. 15 - Prob. 214RECh. 15 - Prob. 215RECh. 15 - Prob. 216RECh. 15 - Prob. 217RECh. 15 - Prob. 218RECh. 15 - Prob. 219RECh. 15 - Prob. 1CACh. 15 - Prob. 2CACh. 15 - Prob. 3CACh. 15 - Prob. 4CACh. 15 - Prob. 5CACh. 15 - Prob. 6CACh. 15 - Prob. 7CACh. 15 - Prob. 8CACh. 15 - Prob. 9CACh. 15 - Prob. 10CACh. 15 - Prob. 11CACh. 15 - Prob. 12CACh. 15 - Prob. 13CACh. 15 - Prob. 14CACh. 15 - Prob. 1PTCh. 15 - Prob. 2PTCh. 15 - Prob. 3PTCh. 15 - Prob. 4PTCh. 15 - Prob. 5PTCh. 15 - Prob. 6PTCh. 15 - Prob. 7PTCh. 15 - Prob. 8PTCh. 15 - Prob. 9PTCh. 15 - Prob. 10PTCh. 15 - Prob. 11PTCh. 15 - Prob. 12PTCh. 15 - Prob. 13PTCh. 15 - Prob. 14PTCh. 15 - Prob. 15PTCh. 15 - Prob. 16PTCh. 15 - Prob. 17PTCh. 15 - Prob. 18PTCh. 15 - Prob. 19PTCh. 15 - Prob. 20PTCh. 15 - Prob. 21PTCh. 15 - Prob. 22PTCh. 15 - Prob. 23PTCh. 15 - Prob. 24PTCh. 15 - Prob. 25PTCh. 15 - Prob. 26PTCh. 15 - Prob. 27PTCh. 15 - Prob. 28PTCh. 15 - Prob. 29PTCh. 15 - Prob. 30PTCh. 15 - Prob. 31PTCh. 15 - Prob. 35PTCh. 15 - Prob. 36PTCh. 15 - Prob. 37PTCh. 15 - Prob. 38PTCh. 15 - Prob. 39PTCh. 15 - Prob. 40PTCh. 15 - Prob. 41PTCh. 15 - Prob. 42PTCh. 15 - Prob. 43PTCh. 15 - Prob. 1CPTCh. 15 - Prob. 2CPTCh. 15 - Prob. 3CPTCh. 15 - Prob. 4CPTCh. 15 - Prob. 5CPTCh. 15 - Prob. 6CPTCh. 15 - Prob. 7CPTCh. 15 - Prob. 8CPTCh. 15 - Prob. 9CPTCh. 15 - Prob. 10CPTCh. 15 - Prob. 11CPTCh. 15 - Prob. 12CPTCh. 15 - Prob. 13CPTCh. 15 - Prob. 14CPTCh. 15 - Prob. 15CPTCh. 15 - Prob. 16CPTCh. 15 - Prob. 17CPTCh. 15 - Prob. 18CPTCh. 15 - Prob. 19CPTCh. 15 - Prob. 20CPTCh. 15 - Prob. 21CPTCh. 15 - Prob. 22CPTCh. 15 - Prob. 23CPTCh. 15 - Prob. 24CPTCh. 15 - Prob. 25CPTCh. 15 - Prob. 26CPTCh. 15 - Prob. 27CPTCh. 15 - Prob. 28CPTCh. 15 - Prob. 29CPTCh. 15 - Prob. 30CPTCh. 15 - Prob. 31CPTCh. 15 - Prob. 32CPTCh. 15 - Prob. 33CPT
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