Solve Inequalities Flip Sign

What is the rule for inequalities?

• If you add or subtract by a negative - flip the sign.

• If you multiply or subtract by a negative - flip the sign.

• Never flip the sign, ever.

• If you multiply or divide by a negative - flip the sign.

Pick the correct inequality.

• A

• B

• C

• D

The product of x and 7 is not greater than 10

• 7x >10

• 7x ≤ 10

• 7 + x < 10

• ⁷ / _x <  10

When do you flip the inequality sign when solving inequality problems?

• When you multiply or divide by a negative number

• When your answer is a negative number

• When there is a negative number or coefficient attached to your variable by multiplication or division

• When you add or subtract the variable by a negative number

• yes

• no

Answer explanation

You  flip the sign when you are multiply or dividing by a negative number.

Does the sign need to flip when solving? -4y ≥ 28

• YES

• NO

Does the sign need to flip when solving this inequality?

• YES

• NO

Does the sign need to flip when solving this inequality? -katex latex="-4y\ge28"

• YES

• NO

Do I need to flip the inequality sign?

-3x  ≥ 12

• Yes

• No

When do you flip the inequality sign when solving inequality problems?

• When you multiply or divide by a negative number

• When your answer is a negative number

• When there is a negative number or coefficient attached to your variable by multiplication or division

• When you add or subtract the variable by a negative number