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7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter A.2, Problem 14E

Textbook Problem

*In Exercises 13 to 16, evaluate each expression.*

Expert Solution

To determine

**To evaluate:**

The given expression

1) In an algebraic expression, letters can stand for numbers.

2) Substitute a specific value for each variable.

3) Then perform the operations.

**Calculation:**

Given:

Expression:

Substitute

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. A.1 - Which axiom of equality is illustrated in each of...Ch. A.1 - Give an example to illustrate each axiom of...Ch. A.1 - Find each sum: a 5 7 c 5 7 b 5 7 d 5 7Ch. A.1 - Find each sum: a 7 15 c 7 15 b 7 15 d 7 7 15Ch. A.1 - Find each product: a 57 c 57 b 57 d 57Ch. A.1 - Find each product: a 712 c 734 b 7 12 d 73 4Ch. A.1 - The area the number of squares of the rectangle in...Ch. A.1 - Identify the axiom of real numbers illustrated....Ch. A.1 - Perform each subtraction: a 7(2) c 102 b (7)(+2) d...Ch. A.1 - The temperature changes from 3F at 2 A.M. to 7F at...

Ch. A.1 - Complete each division: a 12(3) c (12)(23) b...Ch. A.1 - Nine pegs are evenly spaced on a board so that the...Ch. A.1 - The four owners of a shop realize a loss of 240 in...Ch. A.1 - Bill works at a weekend convention by selling...Ch. A.1 - Use the Distributive Axiom to simplify each...Ch. A.1 - Use the Distributive Axiom to simplify each...Ch. A.1 - Simplify each expression: a 6+4 c 16x2y9x2y b...Ch. A.1 - Simplify each expression: a r2+2r2 c 7x2y+3xy2 b...Ch. A.1 - Simplify each expression: a 2+34 c 2+322 b (2+3)4...Ch. A.1 - Simplify each expression: a 32+42 c 32+(82)3 b...Ch. A.1 - Simplify each expression: a 8228 c 52637(2) b...Ch. A.1 - Use the FOIL method to complete each...Ch. A.1 - Use the FOIL method to complete each...Ch. A.1 - Use the FOIL method to complete each...Ch. A.1 - Using x and y, find an expression for the length...Ch. A.1 - The cardboard used in the construction of the box...Ch. A.1 - A large star is to be constructed, with lengths as...Ch. A.1 - The area of an enclosed plot of ground that a...Ch. A.1 - The degree measures of the angles of a triangle...Ch. A.1 - The right circular cylinder shown in the...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 1 to 6, simplify by combining similar...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 7 to 12, simplify by using the FOIL...Ch. A.2 - In Exercises 13 to 16, evaluate each expression....Ch. A.2 - In Exercises 13 to 16, evaluate each expression....Ch. A.2 - In Exercises 13 to 16, evaluate each expression....Ch. A.2 - In Exercises 13 to 16, evaluate each expression....Ch. A.2 - In Exercises 17 to 20, find the value of the...Ch. A.2 - In Exercises 17 to 20, find the value of the...Ch. A.2 - In Exercises 17 to 20, find the value of the...Ch. A.2 - In Exercises 17 to 20, find the value of the...Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation. 3x3=6Ch. A.2 - In Exercises 21 to 32, solve each equation. y3+2=6Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation. b=27b2Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation. x3x2=5Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 21 to 32, solve each equation....Ch. A.2 - In Exercises 33 to 36, find the value of the...Ch. A.2 - In Exercises 33 to 36, find the value of the...Ch. A.2 - In Exercises 33 to 36, find the value of the...Ch. A.2 - In Exercises 33 to 36, find the value of the...Ch. A.3 - If line segment AB and line segment CD in the...Ch. A.3 - Using the number line shown, write two...Ch. A.3 - If angles ABC and DEF in the accompanying drawing...Ch. A.3 - Consider the statement x6. Which of the following...Ch. A.3 - According to the definition of ab, there is a...Ch. A.3 - Does the Transitive Property of Inequality hold...Ch. A.3 - For Exercises 7 and 8, use the Trichotomy Property...Ch. A.3 - For Exercises 7 and 8, use the Trichotomy Property...Ch. A.3 - Of several line segments, ABCD the length of...Ch. A.3 - Of several angles, the degree measures are related...Ch. A.3 - Classify as true or false. a 54 c 45 b 55 d 55Ch. A.3 - Classify as true or false. a 54 c 55 b 54 d 55Ch. A.3 - Two angles are supplementary if the sum of their...Ch. A.3 - Two trim boards need to be used together to cover...Ch. A.3 - Consider the inequality 35. Write the statement...Ch. A.3 - Consider the inequality 69. Write the statement...Ch. A.3 - Suppose that you are solving an inequality....Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 18 to 28, first solve each...Ch. A.3 - In Exercises 29 to 32, the claims made are not...Ch. A.3 - In Exercises 29 to 32, the claims made are not...Ch. A.3 - In Exercises 29 to 32, the claims made are not...Ch. A.3 - In Exercises 29 to 32, the claims made are not...Ch. A.4 - Note: Exercises preceded by an asterisk are of a...Ch. A.4 - Note: Exercises preceded by an asterisk are of a...Ch. A.4 - Note: Exercises preceded by an asterisk are of a...Ch. A.4 - Note: Exercises preceded by an asterisk are of a...Ch. A.4 - In Exercises 5 to 8, factor each difference of two...Ch. A.4 - In Exercises 5 to 8, factor each difference of two...Ch. A.4 - In Exercises 5 to 8, factor each difference of two...Ch. A.4 - In Exercises 5 to 8, factor each difference of two...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 9 to 16, factor each trinomial...Ch. A.4 - In Exercises 17 to 22, factor completely. 4x2-16Ch. A.4 - In Exercises 17 to 22, factor completely. 6y2-54Ch. A.4 - In Exercises 17 to 22, factor completely....Ch. A.4 - In Exercises 17 to 22, factor completely....Ch. A.4 - In Exercises 17 to 22, factor completely....Ch. A.4 - In Exercises 17 to 22, factor completely....Ch. A.4 - In Exercises 23 to 24, find the three factors for...Ch. A.4 - In Exercises 23 to 24, find the three factors for...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 25 to 32, solve each quadratic...Ch. A.4 - In Exercises 33 to 36, solve each incomplete...Ch. A.4 - In Exercises 33 to 36, solve each incomplete...Ch. A.4 - In Exercises 33 to 36, solve each incomplete...Ch. A.4 - In Exercises 33 to 36, solve each incomplete...Ch. A.4 - Given that the area of the rectangle shown is 66,...Ch. A.4 - Determine the length x by solving either the...Ch. A.4 - Find the length a by solving the equation...Ch. A.4 - With the highest degree term being 4x3, the...Ch. A.4 - With the highest degree term being x4, the...Ch. A.5 - Use your calculator to find the approximate value...Ch. A.5 - Use your calculator to find the approximate value...Ch. A.5 - Which equations are quadratic? a 2x25x+3=0 d...Ch. A.5 - Which equations are incomplete quadratic...Ch. A.5 - Simplify each expression by using the Product...Ch. A.5 - Simplify each expression by using the Product...Ch. A.5 - Simplify each expression by using the Quotient...Ch. A.5 - Simplify each expression by using the Quotient...Ch. A.5 - Use your calculator to verify that the following...Ch. A.5 - Use your calculator to verify that the following...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 11 to 18, determine the values of a,...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 19 to 26, solve each equation by...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - In Exercises 27 to 32, solve each incomplete...Ch. A.5 - The length of a rectangle is 3 more than its...Ch. A.5 - To find the length of CP which is x, one must...Ch. A.5 - In Exercises 35 and 36, use Theorem 2.5.1 to solve...Ch. A.5 - In Exercises 35 and 36, use Theorem 2.5.1 to solve...Ch. A.5 - In Exercises 37-39, c2=a2+b2. In the right...Ch. A.5 - In Exercises 37-39, c2=a2+b2. In the right...Ch. A.5 - In Exercises 37-39, c2=a2+b2. In the right...

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