Changing the Subject Quiz

What is the subject in the formula x equals 4w plus 2?

• w

• x

• 2

• 4

To make m the subject in the formula y = m-3, what operation should be performed?

• Add 3 to both sides

• Divide by 3

• Subtract 3 from both sides

• Multiply by 3

In the formula g equals 5m, what should be done to make m the subject?

• Divide by 5

• Multiply by 5

• Subtract 5 from both sides

• Add 5 to both sides

What is the result of making m the subject in the formula h plus 1 equals 3m?

• m equals 3h plus 3

• m equals 3h plus 1

• m equals h plus 1 all over 3

• m equals h plus 1

To make m the subject in the formula w equals m squared, what operation should be performed?

• Square root both sides

• Subtract w from both sides

• Multiply by m

• Add w to both sides

In the formula c equals 2pi r, what should be done to make r the subject?

• Multiply by 2pi

• Subtract 2pi from both sides

• Divide by 2pi

• Add 2pi to both sides

What is the result of making l the subject in the formula p equals 2l plus 2w?

• l equals p minus 2w over 2

• l equals p minus 2w

• l equals p plus 2w

• l equals p plus 2w over 2

In the formula x over t equals c, what is the subject?

• t

• x

• x over t

• c

To make m the subject in the formula g equals 5m, what should be done?

• Divide by 5

• Multiply by 5

• Subtract 5 from both sides

• Add 5 to both sides

What is the result of making m the subject in the formula h plus 1 equals 3m?

• m equals h plus 1

• m equals 3h plus 3

• m equals h plus 1 over 3

• m equals 3h plus 1