Graph and Solve Quadratic Equations

Using the graph solve the equation
-x²-2x+3=-5.

• {-3,-1}

• {-2,0}

• {-4,2}

• {-1,4}

2d² = 8

• 4

• -2

• -4, 4

• -2, 2

Tags

CCSS.8.EE.A.2

What  are the solutions of this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts

• vertex

• x-intercepts

• maximum

Tags

CCSS.HSF-IF.C.7D

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

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 

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0

• 1

• 2

• 5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

15x² + 22x = −8

• x = −2/3, 4/5

• x = 2/3, −4/5

• x = 2/3, 4/5

• x = −2/3, −4/5

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C