gradien persamaan garis yg melalui titik a(1,2)dan (b-2,7)adalah
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m = y2 - y1 / x2 - x1
= 7 - 2 / (b - 2) - 1
= 5 / (b - 3)
a (1,2)
b (-2,7)
·
- Gradien
[tex] = \frac{y2 - y1}{x2 - x1} [/tex]
[tex] = \frac{7 - 2}{ - 2 - 1} [/tex]
[tex] = \frac{5}{ - 3} [/tex]
[tex] = - \frac{5}{3} [/tex]
AF࿐
