3 years ago

write the equation of the line that passes through the points (3, 6)and (5, 18) using function notation.

1 answer:

5 0

Ok basically slope can be found by doing one y value - the other y value divided by one x value - the other x value. so in this it would be (18-6) divided by (5-3) which is 12 divided by 2, which is 6. So slope = 6.

6 = 6(3) + b
6 = 18 + b
-12 = b

f(x) = 6x-12

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