8th Grade iLearn Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically represented with an equals sign (=).

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers.

Front

How do you find the slope between two points?

Back

To find the slope between two points, you subtract the y-values first, then the x-values.

Front

What is the volume formula for a sphere used for?

Back

The volume formula for a sphere is used to find the amount the 3D shape can hold.

Front

What does a positive linear association in a scatter plot indicate?

Back

A positive linear association indicates that as one variable increases, the other variable also increases in a straight-line relationship.

Front

What is the formula for the slope of a line?

Back

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction, while an irrational number cannot be expressed as a simple fraction.

Front

What is the formula for the volume of a sphere?

Back

Front

What does it mean if a scatter plot shows a negative association?

Back

A negative association means that as one variable increases, the other variable decreases.

Front

What is the difference between linear and non-linear relationships?

Back

Linear relationships can be represented by a straight line, while non-linear relationships cannot.