Graphing Quadratics

A quadratic function has zeros -7 and 9.
What are the linear factors of the function?

• (x+7) (x-9)
• (x-7) (x+9)
• (-7,0) (9,0)
• (0,-7) (0,9)

Tags

CCSS.HSF-IF.C.7C

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Tags

CCSS.HSF-IF.C.7A

Is this a graph of a quadratic equation?

• Yes

• No, it is a linear one

• No because it crosses the x axis at -1

Tags

CCSS.HSF-IF.C.7A

Write an equation in FACTORED FORM of the function graphed above:

• f(x)=x²-12

• f(x)=(x-3)(x+4)

• f(x)=(x+3)(x-4)

• f(x)-x²+12

Write an equation in STANDARD FORM of the function graphed above:

• f(x)=x²-x-12

• f(x)=x²+x-12

• f(x)=x²+x+12

• f(x)-x²+12x-1

How many roots does y=x²+2x+4 have?

• one

• two

• none

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the function:

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

• 2 and -5

• -2 and -5

• -2 and 5

• 2 and 5

Which quadratic function has zeros at -3/5 and 2?

• y=(3x+5)(x+2)

• y=(3x+5)(x-2)

• y=(5x-3)(x+2)

• y=(5x+3)(x-2)