Simplifying Radicals and Solving Quadratics by Square Roots

When solving by taking square roots, which is NOT a step.

• Isolate the x².

• Take the square root of each side finding the positive and negative root.

• Simplify the radical.

• Divide by 2.

Tags

CCSS.HSA-REI.B.4B

What is a good first step when simplifying radicals.

• Divide by 2.

• Find a perfect square that goes into the value.

• Cut the number under the radical in half.

• Put it into a calculator.

How would you solve this quadratic?

• Factoring

• Completing the square

• Taking square roots

• Quadratic formula

Tags

CCSS.HSA-REI.B.4B

How would you solve this quadratic?

• Factoring

• Completing the square

• Taking square roots

• Quadratic formula

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Simplify the square root.

• A

• B

• C

• D

Simplify the square root.

• A

• B

• C

• D

Simplify the square root.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B