Quadratic Functions: Vertex Form — Unit test Answers
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A piecewise function is represented by the graph below.
A
x < –1B
–1 ≤ x ≤ 1C
1 ≤ x < 2D
x > 122
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The graph of a function is shown.
A
f(x) =
B
f(x) =
C
f(x) =
D
f(x) =
23
On a coordinate plane, two parabolas open up. The solid-line parabola, labeled f of x, goes through (negative 2, 4), has a vertex at (0, 0), and goes through (2, 4). The dashed-line parabola, labeled g of x, goes through (3, 6), has a vertex at (5, 2), and goes through (7, 6).
A
g(x) = (x + 5)2 + 2B
g(x) = (x + 2)2 + 5C
g(x) = (x – 2)2 + 5D
g(x) = (x – 5)2 + 224
On a coordinate plane, an absolute value graph has a vertex at (1, 3).
A
g(x) = |x + 1| + 3B
g(x) = |x + 3| – 1C
g(x) = |x – 1| + 3D
g(x) = |x + 3| + 125
Which function has an axis of symmetry of x = −2?
A
f(x) = (x − 1)2 + 2B
f(x) = (x + 1)2 − 2C
f(x) = (x − 2)2 − 1D
f(x) = (x + 2)2 − 1Did you find these answers helpful?
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