x and y intercepts

Front

x and y intercepts are used for ______________.

Back

graphing lines

Front

Identify the x-intercept of the following linear equation written in standard form: -8x - 4y = 8.

Back

(-1, 0)

Front

What is an x-intercept?

Back

where the line crosses the x-axis.

Front

How do you find the x-intercept?

Back

you plug zero in for y and solve for x.

Front

What is the y-intercept in the equation x + 2y = 4?

Back

(0, 2)

Front

What is the definition of a y-intercept?

Back

where the line crosses the y-axis.

Front

How do you find the y-intercept?

Back

you plug zero in for x and solve for y.

Front

What does the point (0, 0) represent in a graph?

Back

the origin.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line represent?

Back

the rate of change of y with respect to x.