Review 7.2

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• Up
• Down

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

All Parabolas contain a vertex, when it opens up, this point is called a what?

• Maximum
• Minimum

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

Is this function wider, narrower, or the same as y= $x^2$  ?
f(x) = -1/2(x-7)2 - 9

• Wider

• Narrower

• Same

Is this function wider, narrower, or the same as y=x²?
f(x) = -6(x-7)² - 9

• Wider
• Narrower
• Same

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.BF.B.3

What is the vertex form of this quadratic?

• f(x) = -(x - 2)² + 0
• f(x) = (x - 2)² + 0
• f(x) = -(x + 2)² + 0
• f(x) = (x + 2)² + 0

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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.C.7

CCSS.HSF.IF.B.4

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