Function Review - 8th Grade

Front

What is another name for the initial value?

Back

y-intercept

Front

Is the function y = -x linear or nonlinear?

Back

Linear

Front

Is the function y = 2x^3 + 1 linear or nonlinear?

Back

Nonlinear

Front

What is the definition of a linear function?

Back

A function that graphs to a straight line and can be expressed in the form y = mx + b.

Front

What is the definition of a nonlinear function?

Back

A function that does not graph to a straight line and cannot be expressed in the form y = mx + b.

Front

What is the y-intercept of a function?

Back

The point where the graph of the function crosses the y-axis.

Front

What is the x-intercept of a function?

Back

The point where the graph of the function crosses the x-axis.

Front

What does the slope of a linear function represent?

Back

The rate of change of the function, indicating how much y changes for a change in x.

Front

What is an ordered pair in the context of functions?

Back

A pair of numbers (x, y) that represents a point on the graph of a function.

Front

Can a function have more than one y-value for a given x-value?

Back

No, a function can only have one y-value for each x-value.