Chapter 9 Summative Assessment: Solving Quadratic Equations

Mathematical Equivalence

ON

How many solutions are possible with a quadratic equation?

• One solution

• Two solutions

• Three solutions

• No solution

What is the quadratic formula?

Tags

CCSS.HSA-REI.B.4B

• The solutions are x = -3 and x = 1.

• The solutions are x = 3 and x = -1.

• The solutions are x = 2 and x = -3.

• The solutions are x = 1 and x = -2.

Find the solutions to the quadratic equation (x-6)(x+4)=0.

• x = 6, x = -4

• x = 6, x = 4

• x = -6, x = 4

• x = -6, x = -4

Tags

CCSS.HSA-REI.B.4B

• x = 1, x = 7

• x = 5, x = -2

• x = -3, x = -4

• x = 3, x = 4

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.8.EE.A.2

Write the function for the graph shown below in factored form.

• f(x) = (x - 4)(x + 1)

• f(x) = (x - 6)(x + 4)

• f(x) = (x + 6)(x - 4)

• f(x) = (x + 2)(x - 3)

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.HSA-REI.B.4B