Solve a Quadratic Function

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

• {-3,-1}

• {-2,0}

• {-4,2}

• {-1,4}

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

x² + 6x + 9 = 0

• x = −3, 3

• x = −3

• x = 3

• No Solution

Tags

CCSS.HSA-REI.B.4B

2d² = 8

• 4

• -2

• -4, 4

• -2, 2

Tags

CCSS.8.EE.A.2

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

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

• 0

• 1

• 2

• 5

Tags

CCSS.HSA-REI.B.4B

A function has a discriminant of -3.
______________
How many x-intercepts does it have?

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

If the discriminant is zero you will have

• no real solutions

• two real solutions

• 1 real solution

• 1 imaginary solution

Tags

CCSS.HSA-REI.B.4B

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

The quadratic equation can be used to solve quadratic equations that cannot be factored.

• True

• False

Tags

CCSS.HSA-REI.B.4B