Solving for the Roots

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

Tags

CCSS.8.EE.A.2

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

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

Convert x²-9x+20 to factored form and solve.

• (x-10)(x+2); x=-2, 10

• (x+4)(x+5); x=-5, -4

• (x-4)(x-5); x=4, 5

• Not factorable

Tags

CCSS.HSA-REI.B.4B

What are the zeros?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSA.APR.B.3

Solve

• 4000

• 20

• 2165

• 200

Tags

CCSS.HSA.REI.A.2

Solve

• 243

• 1

• 3

• 729

Tags

CCSS.HSA.REI.A.2

Solve

• 3

• -3

• 23/7

• -23/7

Tags

CCSS.HSA.REI.A.2

Solve the cube root equation

• -984

• 984

• 26

• -26

• None

Tags

CCSS.HSA.REI.A.2

Solve the radical equation.

Tags

CCSS.HSA.REI.A.2