Alg 2H - Ch. 4 Review

A quadratic function has zeros -7 and 9.

What are the linear factors of the function?

• (x+7) (x-9)

• (x-7) (x+9)

• (x+7)(x+9)

• (x-7)(x-9)

Tags

CCSS.HSA.APR.B.3

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

Which of the following are other words for zeros? (Choose ALL that apply)

• x-intercepts

• roots

• vertex

• solutions

• y-intercepts

Tags

CCSS.HSF-IF.C.7C

How did we transform from the parent function y = x² to y = -1/5(x - 1)² + 7 ?

• reflection, vertical shrink, horizontal shift right, vertical shift up

• vertical shrink, horizontal shift left, vertical shift up

• reflection, horizontal shift right, vertical shift down

• reflection, vertical stretch, horizontal shift left, vertical shift up

Tags

CCSS.HSF.BF.B.3

What is the maximum value of the function shown?

• 4

• 3

• 1

• -3

Tags

CCSS.HSF-IF.C.7A

What are the solutions to the quadratic equation:

3(x - 2)² = 192

• x = -6 and x = 10

• x = 6 and x = -10

• x = ±10

• x = 2 ± 8√3

Tags

CCSS.HSA-REI.B.4B

Which if the following is an equation for a quadratic function that opens downward and has the vertex of (-4, 7)?

• f(x)= -(x-4)²+7
• f(x)= (x+4)²+7
• f(x)= -(x+4)²+7
• f(x)= (x-4)²+7

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

How does the graph of g(x)=3x² compare to the quadratic parent function f(x)=x² ?

• The graph of g(x) is wider than the graph of f(x).
• The graph of g(x) is narrower than the graph of f(x).
• The graph of g(x) is translated up 3 units above f(x).
• The graph of g(x) is translated down 3 units below f(x).

Tags

CCSS.HSF.BF.B.3

CCSS.HSF.IF.C.7

What are the zeros for the quadratic function? 

• (-6, 0) and (14, 0)
• (-50, 0) and (14, 0)
• (-6, 0) and (-50, 0)
• (-50, 0) and (-60, 0)

Tags

CCSS.HSF-IF.C.7A

A rocket was launched from a balcony 10 feet from the ground. The rocket modeled the equation h(t)= -t² + 6t + 10, where t represent time in seconds and h(t) represents the height in feet. What is the maximum height the rocket will reach before it starts to go back down? 

• 10 feet 
• 19 feet
• 13 feet
• 16 feet 

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.REI.B.4