Solve Quadratics Quiz

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve

x² - 2x = 8?

• x = 2 or x = -4

• x = 1 or x = -8

• x = 4 or x = -2

• x = 8 or x = -1

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• x= 0 and x= -4

• x= 0 and x= 4

• No Real Solution

• x= 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve

6x²-x-2=0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -3, 4

• x= - 4, 3

Tags

CCSS.HSA-REI.B.4B

3x²-48=0

• x= 4

• x= - 4

• x= - 4, 4

• x= - 16,16

Tags

CCSS.HSA.REI.B.4

Solve using the quadratic formula...
9x² = 4 + 7x

• x = 2 and x = 3
• x = -1 and x = .25
• x = 1 and x = -.45
• x = 1.16, and x = -.38

Tags

CCSS.HSA-REI.B.4B

If the discriminant is zero, you will have ...

• no real solutions

• 2 real solutions

• 1 real solution

• 3 real solutions

Tags

CCSS.HSA-REI.B.4B

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

• zeros

• x-intercepts

• solutions

• roots

• y-intercept

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Which of the following graphs would have a NEGATIVE discriminant?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.B.4

Solutions are the x-intercepts (also known as zeros), because

• the graph crosses the x-axis where y=0

• the graph crosses the x-axis where x=0

• the graph crosses the y-axis where x=0

• the graph crosses the y-axis where y=0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11