Quadratic Functions

Which ordered pair represents one of the roots of the function f(x)=2x²+3x-20?

• (-2.5,0)
• (-4,0)
• (-5,0)
• (-20,0)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.HSA.REI.B.4

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

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

What are the zeros of the function
f(x)= -4(x - 3)(x+5)?
*Hint: Type the function into y= 

• -12 and 20
• -5 and 3
• -4 and -5
• -3 and 5

Tags

CCSS.HSF-IF.C.7C

Which of the following is the vertex of the graph of the equation
y= -x²+2x+3?

• (0,3)
• (-1,0)
• (1,4)
• (3,0)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)
• (0 , 7) and (0 , 5)
• (-7 , 0) and (-5 , 0)
• (7 , 0) and (5 , 0)

Tags

CCSS.HSF-IF.C.7C

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A