Question

What is the y-intercept of the function described in the table?

X = 1 2 3 4
y = -2 -6 -10 -14

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Answer 1

the y-intercept is 2.

Explanation:

If you find the rate of change, which in this case is 1/-4, you can reverse the rate of change.

1 and -2

-1 (instead of adding 1) to x

+4 (instead of subtracting) to y

you get (0, 2).

Making the y-intercept 2.