3 - 5 Unit 1 Checkpoint

Solve. Check for extraneous solutions.

• x = {23, -3}

• x = {-23, 3}

• x = {23, 3}

• x = {-23, -3}

Solve.

Solve. Check for extraneous solutions.

• x = {6}

• x = {21}

• x = {6, -2}

• x = {21, -3}

Solve. Enter the answer without any spaces.

Solve.

• 
• 
• 
• 

Solve.

Only enter the numerical answer.

n =

Solve.

Only enter the numerical answer.

x =

Solve. Check for extraneous solutions. Select all the answer that apply.

• 8

• 17

• -9

• 5

• -26

Solve. Enter the answer without any spaces.