Function Review

Front

What is the y-intercept in the equation y = -2x + 5?

Back

The y-intercept is 5.

Front

Find the slope of the equation y = -4x + 8.

Back

The slope is -4.

Front

What is the equation of the linear function that has a slope of 3 and a y-intercept of 16?

Back

The equation is y = 3x + 16.

Front

What type of slope does the equation y = 3x + 16 have?

Back

The slope is positive.

Front

Is the mapping represented by the set of points {(1,2), (2,3), (1,4)} a function?

Back

Not a Function.

Front

What is the definition of a function?

Back

A function is a relation where each input has exactly one output.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

What is the difference between positive and negative slope?

Back

Positive slope rises from left to right; negative slope falls from left to right.