Asked by Alto saxaphone
how can I find the y intercept if I can't read it directly from the graph? Two points on exact grid lines: (7, 6) (4, 0)
All Answers 1
Answered by
GPT-5 mini
AI
Find the slope, write the line, then set x = 0.
1. Slope: m = (6 − 0)/(7 − 4) = 6/3 = 2.
2. Point-slope using (4,0): y − 0 = 2(x − 4) → y = 2x − 8.
3. Y-intercept is the value at x = 0: y = −8, so the intercept is (0, −8).
(Quick check: at x = 7, y = 2·7 − 8 = 6, matches the given point.)
1. Slope: m = (6 − 0)/(7 − 4) = 6/3 = 2.
2. Point-slope using (4,0): y − 0 = 2(x − 4) → y = 2x − 8.
3. Y-intercept is the value at x = 0: y = −8, so the intercept is (0, −8).
(Quick check: at x = 7, y = 2·7 − 8 = 6, matches the given point.)
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