x |
-1 |
0 |
1 |
2 |
3 |
4 |
y |
-1 |
2 |
5 |
8 |
11 |
14 |
1 slope: y-intercept:
x |
-2 |
-1 |
0 |
1 |
2 |
3 |
y |
17 |
11 |
5 |
-1 |
-7 |
-13 |
2 slope: y-intercept:
x |
-3 |
-2 |
-1 |
0 |
1 |
2 |
y |
0 |
$$\displaystyle {2}\over\displaystyle{3}$$ |
1$$\displaystyle {1}\over\displaystyle{3}$$ |
2 |
2$$\displaystyle {2}\over\displaystyle{3}$$ |
3$$\displaystyle {1}\over\displaystyle{3}$$ |
3 slope: y-intercept:
x |
-1 |
0 |
1 |
2 |
3 |
4 |
y |
-7 |
-3 |
1 |
5 |
9 |
13 |
4 slope: y-intercept:
x |
-5 |
-4 |
-3 |
-2 |
-1 |
0 |
y |
1 |
2.5 |
4 |
5.5 |
7 |
8.5 |
5 slope: y-intercept:
x |
-4 |
-3 |
- 2 |
-1 |
0 |
1 |
y |
0 |
0.6 |
1.2 |
1.8 |
2.4 |
3 |
6 slope: y-intercept:
The table above lends itself to previewing that we can find the slope from any 2 points. Ask: How are the first and last points connected to 3/5?
x |
1 |
2 |
3 |
4 |
5 |
6 |
y |
5 |
3 |
1 |
-1 |
-3 |
-5 |
7 slope: y-intercept:
x |
-4 |
-2 |
0 |
2 |
4 |
6 |
y |
0 |
4 |
8 |
12 |
16 |
20 |
★ slope: y-intercept:
These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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