Solving Quadratic Equations: Quadratic Formula — Cumulative exam Answers
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What are the solutions to m2 – 9 = 0?
A
m = –9 and m = 0B
m = –3 and m = 3C
m = –3D
m = 922
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Which function has a vertex on the y-axis?
A
f(x) = (x – 2)2B
f(x) = x(x + 2)C
f(x) = (x – 2)(x + 2)D
f(x) = (x + 1)(x – 2)23
What is the range of the function f(x) = −(x + 3)2 + 7?
A
all real numbers less than or equal to 7B
all real numbers greater than or equal to 7C
all real numbers less than or equal to −3D
all real numbers greater than or equal to −324
On a coordinate plane, a parabola opens up. It goes through (negative 3.25, 5), has a vertex of (1.75, negative 2.75), and goes through (6.25, 5). Solid circles appear on the parabola at (negative 3, 4), (0, negative 2), (1.75, negative 2.75), (3, negative 2), (6, 4).
A
–2B
–0.5C
1.5D
425
The function f(x) = –x2 – 4x + 5 is shown on the graph.
A
The domain of the function is all real numbers less than or equal to −2.B
The domain of the function is all real numbers less than or equal to 9.C
The range of the function is all real numbers less than or equal to −2.D
The range of the function is all real numbers less than or equal to 9.Did you find these answers helpful?
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