Key Features of Linear Equations

Front

As x is decreasing, what is y doing?

Back

Increasing

Front

What does the y-intercept of a graph represent?

Back

The initial value (starting)

Front

What is the x-intercept of the following equation? y = 2/3x + 6

Back

(-9, 0)

Front

What is the x-intercept of the following graph?

Back

(5,0)

Front

Which of the following graphs are increasing?

Back

Graphs that rise from left to right.

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed.

Front

What is the slope of a line?

Back

The rate of change of y with respect to x.

Front

How do you find the slope from two points?

Back

(y2 - y1) / (x2 - x1)