8th Grade Math Vocabulary

Front

What states that the sum of the squares of the lengths of the legs in a right triangle is equal to the square of the length of the hypotenuse?

Back

Pythagorean Theorem

Front

If the scale factor is 1/2, what happens to an image?

Back

It decreases in size.

Front

How do you find the slope in a graph?

Back

Rise over run.

Front

What is the point that crosses through the Y-axis called?

Back

Y-intercept.

Front

What are coefficients?

Back

The number in front of the X.

Front

What is the formula for the area of a rectangle?

Back

Length × Width.

Front

What is the formula for the circumference of a circle?

Back

2πr (where r is the radius).

Front

What is the term for a number that does not change in an equation?

Back

Constant.

Front

What do you call a triangle with all sides of different lengths?

Back

Scalene triangle.

Front

What is the term for the highest point on a graph?

Back

Maximum.