Math 2 wk 3

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value in an equation or expression.

Front

What is a parallelogram?

Back

A four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

How do you find the value of a variable in an equation?

Back

Isolate the variable on one side of the equation using inverse operations.

Front

What is the sum of the interior angles of a parallelogram?

Back

360 degrees.

Front

If two angles are supplementary, what is their relationship?

Back

Their measures add up to 180 degrees.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What does it mean for two lines to be parallel?

Back

They never intersect and are always the same distance apart.

Front

What is the relationship between opposite angles in a parallelogram?

Back

They are equal in measure.

Front

If x + y = 10 and x = 5, what is the value of y?

Back

y = 5.

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.