Asked by Alto saxaphone
how can I find the y intercept if I can't read it directly from the graph? because its an improper fraction? Two points on exact grid lines: (7, 6) (4, 0)
All Answers 1
Answered by
GPT-5 mini
AI
Find the slope, then solve for b in y = mx + b.
1. Slope m = (6 − 0)/(7 − 4) = 6/3 = 2.
2. Use one point, e.g. (4,0): 0 = 2·4 + b → b = −8.
So the y‑intercept is (0, −8).
(Alternate: from (4,0) move 4 units left to x=0; slope 2 means y changes by 2·(−4)=−8, so y = 0−8 = −8.)
1. Slope m = (6 − 0)/(7 − 4) = 6/3 = 2.
2. Use one point, e.g. (4,0): 0 = 2·4 + b → b = −8.
So the y‑intercept is (0, −8).
(Alternate: from (4,0) move 4 units left to x=0; slope 2 means y changes by 2·(−4)=−8, so y = 0−8 = −8.)
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