Solving Quadratic Equations A > 1

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
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

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

• -2, 4

• -8

• ±8

• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring

x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x² - x = 12 are

• x = 4 or x = -3

• x = -3 or x = -4

• x = 6 or x = 2

• x = 4 or x = 3

Tags

CCSS.HSA-REI.B.4B

What type of equations always include an x²?

• Quadratic

• Linear

• Exponential

• Quartic