Solving Quadratic Equations and Word Problems UNIT REVIEW

Solve: 9x^2 = 1

• x = -1/3
• x = 1/3
• x = 3
• x = 1
• x = -3

Tags

CCSS.8.EE.A.2

Solve: 4x^2 - 6x + 2 = 5 + 5x

• x = 3
• x = -1/4
• x = -3
• x = 1/4
• x = 2

Tags

CCSS.HSA-REI.B.4B

Determine the zeros: -2x^2 + 20x + 48

• x = 12
• x = -2
• x = 6
• x = 4
• x = -6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

When graphed, do imaginary solutions to equations cross the x-axis?

• Yes, imaginary solutions cross the x-axis
• No, imaginary solutions do not cross the x-axis

Tags

CCSS.HSA.REI.D.10

When graphed, do real solutions to equations cross the x-axis?

• Yes, real solutions cross the x-axis
• No, real solutions do not cross the x-axis

Tags

CCSS.HSF-IF.C.7A

Solve: x^2 - 9 = 3x^2 + 41

• x = 5i
• x = -5i
• x = 5
• x = -5
• x = 25

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

When a quadratic equation has a discriminant that is NEGATIVE, what type of solution does it have?

• two imaginary solutions
• two real solutions
• one real solution, one imaginary solution
• no solution
• one real solution

Tags

CCSS.HSA-REI.B.4B

When a quadratic equation has a discriminant that is POSITIVE, what type of solution does it have?

• two imaginary solutions
• two real solutions
• one real solution, one imaginary solution
• no solution
• one real solution

Tags

CCSS.HSA-REI.B.4B

When a quadratic equation has a discriminant that is ZERO, what type of solution does it have?

• two imaginary solutions
• two real solutions
• one real solution, one imaginary solution
• no solution
• one real solution

Tags

CCSS.HSA-REI.B.4B

Determine the discriminant: 9x^2 + 6x + 6 = 5

Tags

CCSS.HSA-REI.B.4B