1. Slope is a number, which describes the steepness on the line
usually a fraction
that tells how a line slants
comes in 4 “flavors”:
positive, negative, zero, no slope or undefined
Finding slope or slant of a line ALWAYS read from left to right

2. Slope Lines that slant uphill Lines that slant downhill
have a POSITIVE slope.
Riding the chair lift
Lines that slant downhill
have a NEGATIVE slope. Skiing down hill

3. Slope Horizontal lines have Vertical lines have
a slope of zero (0). Cross Country skiing
Vertical lines have
no slope (undefined). Skiing off a cliff

4. Slope
Slope is abbreviated with a
lower case letter m.

5. Slope
NOTE: Line slants
downhill, so the slope
is negative.
Rise
RUN

6. Slope
NOTE: Line slants
uphill, so the slope
is positive.

8. Slope Formula