EOC Practice- Quadratics + Systems

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CCSS.HSF-IF.C.7A

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CCSS.HSA.REI.D.12

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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CCSS.HSF-IF.C.7A

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

Solve the system of equations: 
-6x + 12y = -30
y = 4x + 1

• (-3, -1)
• (0, 1)
• (-1, -3)
• (1, 2.5)

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6