Unit 3, Lesson 1

What are the solution(s) to the quadratic equation x^2 = 9?

• x = 3

• x = -3

• x = 3 and x = -3

• x = 0

Tags

CCSS.HSA-REI.B.4B

What is the shape of the graph of the function f(x) = x^2?

• Line

• Parabola

• Circle

• Ellipse

Tags

CCSS.HSF-IF.C.7A

For what values of x does f(x) = 9?

• x = 1

• x = 2

• x = 3

• x = 4

Tags

CCSS.HSF.IF.A.2

What are the solutions to the equation (x - 1)^2 = 4?

• x = 1

• x = 3 and x = -1

• x = 5 and x = -3

• x = 3 and x = -3

Tags

CCSS.HSA-REI.B.4B

Given the equation (x - 1)^2 = 4: What are the x-values where f(x) = 4 for the function f(x) = (x - 1)^2?

• x = 1

• x = 3 and x = -1

• x = 3 and x = -3

• x = 5 and x = -3

Tags

CCSS.8.EE.A.2

Given the equation: -x^2 - 6x - 7 = 1. What are the solution points where f(x) = 1?

• x = -3 and x = -1

• x = -4 and x = -2

• x = -5 and x = -1

• x = -7 and x = 1

• x^2 - x - 12 = 0

• x^2 + 7x + 12 = 0

• x^2 - 7x + 12 = 0

• x^2 + x - 12 = 0

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

• By factoring the quadratic equation

• By using the quadratic formula

• By completing the square

• By graphing the equation

Tags

CCSS.HSA-REI.B.4B

Now you can try a few. Solve each quadratic equation by factoring.

• Convert to vertex form

• Use the quadratic formula

• Factor the equation

• Complete the square

Tags

CCSS.HSA-REI.B.4B

• x = 4 and x = 5

• x = 2 and x = 10

• x = 1 and x = 20

• x = 3 and x = 7

Tags

CCSS.HSA-REI.B.4B