Unit 2 Test Answers
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What number should be added to both sides of the equation to complete the square? x2 + 12x = 11
Answer not available
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Which function in vertex form is equivalent to f(x) = x2 + x +1?
A
f(x) = +
B
f(x) = +C
f(x) = +
D
f(x) = +23
What is the first step in solving the quadratic equation -5x2+8=133?
A
taking the square root of both sides of the equationB
subtracting 8 from both sides of the equationC
squaring both sides of the equationD
adding 8 to both sides of the equation24
Which represents the solution(s) of the graphed system of equations, y = –x2 + x + 2 and y = –x + 3?
A
(1, 2)B
(1, 2) and (0, 3)C
(–1, 0) and (2, 0)D
(2, 1)25
What are the values of a, b, and c in the quadratic equation 0 = 5x – 4x2 – 2?
A
a = 5, b = 4, c = 2B
a = 5, b = –4, c = –2C
a = –4, b = 5, c = –2D
a = 4, b = –5, c = –2Did you find these answers helpful?
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