Solve Square Roots Extraneous

Solve each equation by taking square roots.

Solve each equation by taking square roots.

Solve each equation by taking square roots.

Solve each equation by taking square roots.

Solve for x. Identify extraneous solutions, if any.

• x = - 5

• x = - 3

• x = - 1

• no solution; x = - 3 is extraneous

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

• x = 8

• x = 18

• x = 28

• no solution; x = 8 is extraneous

Simplify.

• A

• B

• C

• D

The extraneous solution of the equation is...

• −5

• −8

• −10

• −4

This equation has...

• two positive solutions

• one positive solution and one negative extraneous solution

• one positive solution and one negative solution

• one negative solution and one negative extraneous solution

Q1. What is the value of the expression?

• A) 3√2

• B) √6

• C) 6

• D) 2√3