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

Solving Quadratic Equations: Square Root Property Answers

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What is the first step in solving the quadratic equation x2 – 40 = 0?

A
taking the square root of both sides of the equation
B
adding 40 to both sides of the equation
C
squaring both sides of the equation
D
subtracting 40 from both sides of the equation
2
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What are the solutions to the quadratic equation x2 – 16 = 0?

A
x = 2 and x = –2
B
x = 4 and x = –4
C
x = 8 and x = –8
D
x = 16 and x = –16
5

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

A
x = and x =
Option A
B
x = and x =
Option B
C
x = and x =
Option C
D
no real solution
7

What is the first step in solving the quadratic equation x2 = ?

Question illustration
A
Take the square root of both sides of the equation.
B
Add to both sides of the equation.
Option B
C
Square both sides of the equation.
D
Subtract from both sides of the equation.
Option D
8

What are the solutions to the quadratic equation 3(x − 4)2 = 75?

A
x = −9 and x = 1
B
x = −5 and x = 5
C
x = −4 and x = 4
D
x = −1 and x = 9
10

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

A
y = and y =
Option A
B
y = and y =
Option B
C
y = and y =
Option C
D
y = and y =
Option D

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