Graphing Linear Equations

Front

What is the y-intercept in the equation y = 2x - 3?

Back

-3

Front

The point where the line crosses the y-axis is called the:

Back

y-intercept

Front

Which graph is correct for the equation y = 3x - 4?

Back

Graph B

Front

Which equation best represents the line on the graph? y = ?

Back

y = 1/2x

Front

Which graph is correct for the equation y = 4x?

Back

Graph A

Front

What does the slope of a line represent?

Back

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 (m) = (y2 - y1) / (x2 - x1)

Front

What is the standard form of a linear equation?

Back

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

Front

What does it mean if a line has a slope of 0?

Back

The line is horizontal.

Front

What does it mean if a line has an undefined slope?

Back

The line is vertical.