Use the fact that for points (a₁, b₁) and (a2, b₂) in the coordinate plane, we can calculate the slope of the line through these points using the following formula. b₂-b1 Slope = = a2 - a1 Ay Ax Find the point where the line through (1, 6) with slope -3 crosses the horizontal axis. (Suggestion: The line must fall by 6 units to reach the horizontal axis.) (x, y) = ( Need Help? Read It

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter8: Linear Functions
Section8.4: The Slope Of A Line
Problem 11E
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Use the fact that for points (a₁, b₁) and (a2, b₂) in the coordinate plane, we can calculate the slope of the line through these points using the following
formula.
Slope = =
Ay
Ax
b₂-b1
a2-a1
Find the point where the line through (1, 6) with slope -3 crosses the horizontal axis. (Suggestion: The line must fall by 6 units to reach the horizontal axis.)
(x, y) = (
Need Help?
Read It
Transcribed Image Text:Use the fact that for points (a₁, b₁) and (a2, b₂) in the coordinate plane, we can calculate the slope of the line through these points using the following formula. Slope = = Ay Ax b₂-b1 a2-a1 Find the point where the line through (1, 6) with slope -3 crosses the horizontal axis. (Suggestion: The line must fall by 6 units to reach the horizontal axis.) (x, y) = ( Need Help? Read It
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