Quadratics Algebraically

Determine the y-value that is a solution to the system of equations.

• -9

• -7

• -5

• no solution

Tags

CCSS.HSA.REI.C.7

Determine the y-value of the solution to the system of equations.

• -2

• -1

• 1

• 2

Tags

CCSS.HSA.REI.C.7

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12=0.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Tags

CCSS.HSA-REI.B.4B

• -3, -14

• 3, -14

• -3, 14

• 3, 14

Tags

CCSS.HSA-REI.B.4B

• (-5, 2)

• (-5, -2)

• (5, -2)

• (5, 2)

• 3

• 8

• -9

• -3

Tags

CCSS.HSA-REI.B.4B

Solve: 2d² = 8

• 4

• -2

• -4, 4

• -2, 2

Tags

CCSS.8.EE.A.2

What should you do first to solve this equation using quadratic formula?

x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B