x and y intercepts

Front

What is the x-intercept?

Back

The x-intercept is the point where a graph crosses the x-axis. At this point, the value of y is 0.

Front

How do you find the x-intercept from an equation?

Back

To find the x-intercept, set y to 0 in the equation and solve for x.

Front

What is the y-intercept?

Back

The y-intercept is the point where a graph crosses the y-axis. At this point, the value of x is 0.

Front

How do you find the y-intercept from an equation?

Back

To find the y-intercept, set x to 0 in the equation and solve for y.

Front

What is the x-intercept of the equation y = 3x + 18?

Back

The x-intercept is -6.

Front

What is the y-intercept of the equation y = 4x - 12?

Back

The y-intercept is -12.

Front

If a graph crosses the x-axis at (1, 0), what is the x-intercept?

Back

The x-intercept is 1.

Front

If a graph crosses the y-axis at (0, 32), what is the y-intercept?

Back

The y-intercept is 32.

Front

What does it mean if a line has no x-intercept?

Back

It means the line is parallel to the x-axis and never crosses it.

Front

What does it mean if a line has no y-intercept?

Back

It means the line is vertical and never crosses the y-axis.