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This is our quadratic equation: 5x^2 - 10x - 45 = -5 Use the completing the square method to answers the following questions.   1.You do not need to do step one for this particular quadratic.. Single choice. true false   2.After doing (or not doing) step 1, your equation looks like which one? Single choice. x^2 - 2x - 9 = -1 5x^2 - 10x - 45 = -5   3.After doing step 2, the equation looks like which one? . Single choice. x^2 - 2x = 10 x^2 - 2x + 9 = -1 x^2 - 2x = 8 x^2 - 2x - 9 = -1   4.After doing step 3 the equation looks like which one? Single choice. x^2 - 2x = 8 x^2 - 2x + 1 = 9 x^2 - 2x + 10 = 8 x^2 - 2x + 1 = 10   5.After doing step 4, the equation looks like which one?  Single choice. (x - 3)(x + 3) = 8 (x - 1)^2 = 9 (x + 1)(x - 1) = 8 (x + 3)^2 = 9   6.A radical cancels. Single choice. a logarithm division the second power   7.When you take the square root of a number you always get. Single choice. a positive or negative value a positive value a negative value   8.After finishing step 5, your equation looks like which one? Single choice. x - 5 = +/- 3 x + 2 = +/- 7 x - 1 = +/- 3 x + 2 = +/- 1   9.What are the zeros?. Single choice. x = 4, -2 x = -4, 2   10.What is the purpose of the completing the square method?. Single choice. to avoid factoring the speed up factoring to find the zeros of difficult quadratics

This is our quadratic equation: 5x^2 - 10x - 45 = -5 Use the completing the square method to answers the following questions.   1.You do not need to do step one for this particular quadratic.. Single choice. true false   2.After doing (or not doing) step 1, your equation looks like which one? Single choice. x^2 - 2x - 9 = -1 5x^2 - 10x - 45 = -5   3.After doing step 2, the equation looks like which one? . Single choice. x^2 - 2x = 10 x^2 - 2x + 9 = -1 x^2 - 2x = 8 x^2 - 2x - 9 = -1   4.After doing step 3 the equation looks like which one? Single choice. x^2 - 2x = 8 x^2 - 2x + 1 = 9 x^2 - 2x + 10 = 8 x^2 - 2x + 1 = 10   5.After doing step 4, the equation looks like which one?  Single choice. (x - 3)(x + 3) = 8 (x - 1)^2 = 9 (x + 1)(x - 1) = 8 (x + 3)^2 = 9   6.A radical cancels. Single choice. a logarithm division the second power   7.When you take the square root of a number you always get. Single choice. a positive or negative value a positive value a negative value   8.After finishing step 5, your equation looks like which one? Single choice. x - 5 = +/- 3 x + 2 = +/- 7 x - 1 = +/- 3 x + 2 = +/- 1   9.What are the zeros?. Single choice. x = 4, -2 x = -4, 2   10.What is the purpose of the completing the square method?. Single choice. to avoid factoring the speed up factoring to find the zeros of difficult quadratics

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter7: Factoring
Section7.6: Quadratic Equations
Problem 7.164TI: A meditation garden is in the shape of a right triangle, with one leg 7 feet. The length of the...
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This is our quadratic equation: 5x^2 - 10x - 45 = -5
Use the completing the square method to answers the following questions.
 
1.You do not need to do step one for this particular quadratic.. Single choice.
true
false
 
2.After doing (or not doing) step 1, your equation looks like which one? Single choice.
x^2 - 2x - 9 = -1
5x^2 - 10x - 45 = -5
 
3.After doing step 2, the equation looks like which one? . Single choice.
x^2 - 2x = 10
x^2 - 2x + 9 = -1
x^2 - 2x = 8
x^2 - 2x - 9 = -1
 
4.After doing step 3 the equation looks like which one? Single choice.
x^2 - 2x = 8
x^2 - 2x + 1 = 9
x^2 - 2x + 10 = 8
x^2 - 2x + 1 = 10
 
5.After doing step 4, the equation looks like which one?  Single choice.
(x - 3)(x + 3) = 8
(x - 1)^2 = 9
(x + 1)(x - 1) = 8
(x + 3)^2 = 9
 
6.A radical cancels. Single choice.
a logarithm
division
the second power
 
7.When you take the square root of a number you always get. Single choice.
a positive or negative value
a positive value
a negative value
 
8.After finishing step 5, your equation looks like which one? Single choice.
x - 5 = +/- 3
x + 2 = +/- 7
x - 1 = +/- 3
x + 2 = +/- 1
 
9.What are the zeros?. Single choice.
x = 4, -2
x = -4, 2
 
10.What is the purpose of the completing the square method?. Single choice.
to avoid factoring
the speed up factoring
to find the zeros of difficult quadratics
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