Flip or No Flip

Front

What is the coefficient in the expression -4x?

Back

The coefficient is -4.

Front

When do you flip the inequality sign?

Back

You flip the inequality sign when you multiply or divide both sides by a negative number.

Front

In the inequality -4x < 8, what is the first step to solve for x?

Back

Divide both sides by -4, which requires flipping the inequality sign.

Front

What does it mean to 'flip' in the context of inequalities?

Back

To 'flip' means to reverse the direction of the inequality sign.

Front

What is the inequality sign for 'greater than'?

Back

The inequality sign for 'greater than' is >.

Front

What is the inequality sign for 'less than'?

Back

The inequality sign for 'less than' is <.

Front

If you have the inequality x > 5 and you multiply both sides by -1, what happens?

Back

The inequality becomes -x < -5 (the sign flips).

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value, often denoted by letters like x or y.

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change.

Front

What is the difference between a coefficient and a constant?

Back

A coefficient is a number that multiplies a variable, while a constant is a standalone number without a variable.