Slope on a graph

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the ordered pair (0,0) also known as?

Back

origin

Front

What is the formula to calculate slope?

Back

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

Front

If a line rises from left to right, what is the sign of its slope?

Back

Positive

Front

If a line falls from left to right, what is the sign of its slope?

Back

Negative

Front

What does a slope of 1 indicate about a line?

Back

The line rises one unit up for every one unit it moves to the right.

Front

What does a slope of -1 indicate about a line?

Back

The line falls one unit down for every one unit it moves to the right.

Front

What is the slope of the line represented by the equation y = 4x + 2?

Back

4

Front

What is the slope of the line represented by the equation y = -1/2x + 3?

Back

-1/2