Review Quadratic Equations and Inequalities

Pick the correct letter for:
6 > x

• A

• B

• C

• D

Tags

CCSS.6.EE.B.8

An equation is modeled.

What value of x makes the equation true?

• x = -5

• x = 2

• x = 4

• x = 3

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6

• x=3 or x=2

• x=-3 or x= 2

• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

2x² + 5x ≥ 12

• [-4, 3/2]

• (−∞, -4) U (3/2, ∞)

• (−∞, -4] U [3/2, ∞)

• no solution

3x - x² > 0

• (−∞, 0) U (3, ∞)

• (−∞, - 3) U (0, ∞)

• (-3, 0)

• (0, 3)

How many solutions does this system of equations have?

• one real solution

• two real solutions

• no real solutions

• infinitely many solutions

Tags

CCSS.HSA.REI.C.7

One solution of the quadratic equation
x²-7x+12=0 is

• x=3

• x=2

• x=-3

• x=-2

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

Solve the following for x by using the Quadratic Formula

2x²+6x=7

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B