1. Slope
Graphing Day 2

2. POSITIVE
NEGATIVE
ZERO
UNDEFINED U P O N
Slope – Notes

3. +2
(y2-y1)
Rise +4
(x2-x1)
Run
SLOPE – NOTES

4. Slope - NOTES opposite reciprocals the same +5 -4 +3 +4 -4 -5 +4 +3 +3
= -1 +5 +4 -5 -4 +3
= -1 +4
opposite
reciprocals
the same
Slope - NOTES

5. 𝟓−𝟐 𝟓−−𝟑 = 𝟑 𝟖
Class Example 1

6. −𝟒 𝟐 =−𝟐 -4 +2
Class Example 2

7. Class Example 3 Step 1: Find the original slope.
Step 2: Find the perpendicular slope.
(𝟒−𝟐) (𝟒−𝟗) = 𝟐 −𝟓
Opposite reciprocal
𝟓 𝟐
Class Example 3

8. (𝟒−𝟒) (𝟒−−𝟑) = 𝟎 𝟕
Zero or 0
Student Example 1

9. +2
𝟓 𝟐 +5
Student Example 2

10. (𝟏−𝟎) (−𝟒−𝟎) = 𝟏 −𝟒
𝟏 −𝟒
Same slope
Student Example 3