Question

4. Write an equation for the line through the points (2, -6) and (-1, -4).

Answer 1

-6 - (-4)/ 2 - (-1)

=
-2 So f(x) = -2/3x + b
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3 Take a point to find b
-6= -2/3(2) + b
-6 = -4/3 + b
-14/3 = b

f(x) = -2/3x - 14/3