2 Answers

Johneric · Answer 1 · 2017-12-19T15:25:00+0000

y=mx+b
This is the slope intercept-formula.
Where:
m=slope
b=y-intercept

Compare that to the given equation:
y=3x-7

b=-7

b=y intercept

Final answer:
-7

Shantr · Answer 2 · 2017-12-22T16:37:50+0000

-7 is the y=intercept...a line in point-slope formula will always look like this: y = mx + b with b representing the y-intercept.

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