Quizizz Solving Linear Equations

What is the inverse operation of multiplication? 

• multiplication
• addition
• subtraction 
• division 

What is the inverse operation of subtraction?

• multiplication

• addition

• subtraction

• division

What is the inverse operation of addition?

• multiplication

• addition

• subtraction

• division

What is the inverse (opposite) operation of division?

• Division

• Multiplication

• Addition

• Subtraction

Gary solved the equation as shown in the picture. Which correctly describes the error that Gary made in his work?

• he did not combine 7x and 8x correctly

• he did not divide correctly

• he did not combine -3 and -9 correctly

• he did not make an error in his work

Find the error in the problem shown.

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Austin solved the equation as shown below. Which correctly describes the error that Austin made in his work?

• Austin did not combine 7x and 8x correctly.

• Austin did not combine -3 and -9 correctly.

• Austin did not divide correctly.

• Austin did not make an error in his work.

• Add 5 to both sides of the equal sign

• Divide by 3 on both sides of the equal sign

• Subtract 5 from both sides of the equal sign

• Multiply by 3 on both sides of the equal sign

• divide by 2 on both sides of the equation

• multiply by 2 on both sides of the equation

• subtract 3 on both sides of the equation

• add 3 on both sides of the equation

• divide 2 on both sides of the equation

• add 5 on both sides of the equation

• multiply 2 on both sides of the equation

• subtract 5 on both sides of the equation