Answers FL-1200710-Mathematics for College Algebra ASolving Quadratic Equations: Square Root Property

Solving Quadratic Equations: Square Root Property Answers

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What are the solutions to the quadratic equation x2 – 16 = 0?

x = 2 and x = –2

x = 4 and x = –4

x = 8 and x = –8

x = 16 and x = –16

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What are the solution(s) to the quadratic equation 9x2 = 4?

x = and x =

x = and x =

x = and x =

no real solution

What values of b satisfy 3(2b + 3)2 = 36?

b = and

What are the solution(s) to the quadratic equation x2 – 25 = 0?

x = 5 and x = –5

x = 25 and x = –25

x = 125 and x = –125

no real solution

What are the solutions to the quadratic equation (5y + 6)2 = 24?

y = and y =

Theo started to solve the quadratic equation (x + 2)2 – 9 = –5. He added 9 to both sides and the resulting equation was(x + 2)2 = 4. Next, he took the square root of each side.Which was the resulting equation of that step?

x + 2 = ±4

x + 2 = ±2

x + 2 = ±8

x + 2 = ±16

Which are the roots of the quadratic function f(b) = b2 – 75? Select two options.

b =

What are the solution(s) to the quadratic equation 40 − x2 = 0?

x = ±2

x = ±4

x = ±2

x = ±4

Nancy found that x=1 is one solution to the quadratic equation (x+2)2=a. What is the value of a?

-9

-3

What are the solutions to the quadratic equation 4x2 = 64?

x = −16 and x = 16

x = −8 and x = 8

x = −4 and x = 4

x = −2 and x = 2

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Solving Quadratic Equations: Square Root Property Answers

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