Solving Quadratic Equations: Square Root Property Answers
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1
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What are the solution(s) to the quadratic equation 50 – x2 = 0?
A
x = ±2
B
x = ±6
C
x = ±5
D
no real solution2
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What are the solution(s) to the quadratic equation 9x2 = 4?
A
x = and x =
B
x = and x =
C
x = and x =
D
no real solution3
What are the solutions to the quadratic equation 3(x − 4)2 = 75?
A
x = −9 and x = 1B
x = −5 and x = 5C
x = −4 and x = 4D
x = −1 and x = 94
What values of b satisfy 3(2b + 3)2 = 36?
A
b = and
B
b = and
C
b = andD
b = and
5
What are the solution(s) to the quadratic equation x2 – 25 = 0?
A
x = 5 and x = –5B
x = 25 and x = –25C
x = 125 and x = –125D
no real solution6
What is the first step in solving the quadratic equation x2 – 40 = 0?
A
taking the square root of both sides of the equationB
adding 40 to both sides of the equationC
squaring both sides of the equationD
subtracting 40 from both sides of the equation7
What are the solutions to the quadratic equation (5y + 6)2 = 24?
A
y = and y =
B
y = and y =C
y = and y =
D
y = and y =
8
What are the solutions to the quadratic equation 4x2 = 64?
A
x = −16 and x = 16B
x = −8 and x = 8C
x = −4 and x = 4D
x = −2 and x = 29
What are the solutions to the quadratic equation x2 – 16 = 0?
A
x = 2 and x = –2B
x = 4 and x = –4C
x = 8 and x = –8D
x = 16 and x = –1610
Nancy found that x=1 is one solution to the quadratic equation (x+2)2=a. What is the value of a?
A
-9B
-3C
3D
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