Eoc Quadratics Practice

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Which of the following represents a quadratic function?

Find the vertex of
f(x) = -x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

• A

• B

• C

• D

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The height of a golf ball hit into the air is modeled by the equation h = -16t² + 48t, where h represents the height, in feet, and t represents the number of seconds that have passed since the ball was hit.  What is the height of the ball after 2 seconds? 

• 16 ft

• 32 ft

• 64 ft

• 80 ft

What are the vertex and the axis of symmetry of the parabola shown in the diagram below?

• The vertex is (−3, −2), and the axis of symmetry is x = −2

• The vertex is (−2, −3), and the axis of symmetry is y = −2

• The vertex is (−2, −3), and the axis of symmetry is x = −2

• The vertex is (−3, −2), and the axis of symmetry is y = −2

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B