9.6 Starter

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• x-intercepts or zeros

Use the graph of y=-x²+6x-5 to solve the equation -x²+6x-5=0

• (1,2)

• {3,4}

• {1,5}

• {2,4}

Using the graph solve the equation

-x²-2x+3=-5.

• {-3,-1}

• {-2,0}

• {1, -3}

• {-1,4}

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

What are the solutions of the equation represented by the graph?

• x = 2
• (0,-4)
• x = 2 and -2
• y = 2 and -2

What are the solutions of the equation represented by the graph?

• x = 2 and x =  4
• (0,8)
• (3,-1)
• x = -1 and x = 3

What are the solutions of the equation represented by the graph?

• x = 0
• x = 1 and -1
• x = 5 and -5
• y = 0

What are the zeros of the function f(x) graphed above?

• -6 and 14

• -14 and 6

• -50

• -60

Use the graph of the function f(x)=-2x²+4x+6 to find the solution(s) of the equation -2x²+4x+6=0.

• x=-1
• x=3
• x=-1 and x=3
• x=1and x=8