Unit 3C Quiz Review

Which is the standard form of a quadratic equation?

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

Tags

CCSS.HSA.REI.B.4

What direction does the parabola open?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

CCSS.HSF-IF.C.7A

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Tags

CCSS.HSF-IF.C.7A

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

Tags

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.G.A.3

Convert y = -2(x - 4)² + 2 into standard form.

• y= -2x² + 16x - 30

• y= -2x² - 16x - 30

• y= 2x² + 16x - 30

• y= -2x² + 16x + 30

Which of the following is the correct equation for the given graph?

• f(x) = -2(x + 5)² - 3
• f(x) = -2(x - 5)² - 3
• f(x) =  (x + 5)² - 3
• f(x) =  (x - 5)² - 3

Tags

CCSS.HSF-IF.C.7A