Function Review 31Q

Front

What is the slope of the line represented by the equation y = 3/2x + 3?

Back

The slope is 3/2.

Front

What is the y-intercept of the line represented by the equation y = 3/2x + 3?

Back

The y-intercept is (0, 3).

Front

Which of the following is NOT a function: y = 4, x = 3, y = 2x, y = x?

Back

x = 3 is NOT a function.

Front

What is the y-intercept of the line if the answer is 7?

Back

The y-intercept is 7.

Front

Is the function represented by the table linear or nonlinear?

Back

The function is linear.

Front

Write the equation for the line with a slope of 4 and a y-intercept of 3.

Back

The equation is y = 4x + 3.

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 slope from two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1).

Front

What is the standard form of a linear equation?

Back

The standard form is Ax + By = C, where A, B, and C are integers.

Front

What is a function?

Back

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