Solving for Square Root

Solve

• -5

• 5

• 10

• 25

Tags

CCSS.7.EE.B.4A

Solve for x; identify extraneous solutions (if any).

• x = 3; x = - 1 is extraneous

• x = - 1; x = 3 is extraneous

• x = 3; x = - 1

• no solution; x = 3 and x = - 1 are extraneous

Tags

CCSS.HSA.REI.A.2

Solve for x; identify extraneous solutions (if any).

• x = 8

• x = 18

• x = 28

• no solution; x = 8 is extraneous

Tags

CCSS.HSA.REI.A.2

Solve for x. Identify extraneous solutions (if any).

• x = 30

• x = 4

• x = 12

• x = 8

Tags

CCSS.HSA.REI.A.2

Solve for x. Identify extraneous solutions, if any.

• x = - 5

• x = - 3

• x = - 1

• no solution; x = - 3 is extraneous

Tags

CCSS.HSA.REI.A.2

Solve for x; identify extraneous solutions (if any).

• x = 4

• x = - 4

• x = 1

• no solution; x = - 4 is extraneous

Tags

CCSS.HSA.REI.A.2

Solve for x; identify extraneous solutions (if any).

• x = 4; x = - 1 is extraneous

• x = 4; x = 1

• x = 4; x = - 1

• x = 4; x = 1 is extraneous

Tags

CCSS.HSA.REI.A.2

Solve for x; identify extraneous solutions (if any).

• x = 17

• x = 5

• x = 3

• no solution; x = 5 is extraneous

Tags

CCSS.HSA.REI.A.2

Which method is MOST EFFICIENT to solve:
8x²  -  6  = 0

• Square Root Method

• Greatest Common Factor (GCF)

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Can this quadratic be solved by BOTH square root method AND difference of squares?
16x² - 25 = 0

• Yes!

• No - just square root method

• No - just difference of squares method

Tags

CCSS.HSA-REI.B.4B