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
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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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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