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A15-3 2 Points Equations Notes
1. Algebra 1
5.3 Writing Linear Equations Given Two Points
p. 285
EX 1 Find the slope between (1, 6) and (3, -4).
(x1, y1) (x2, y2)
m = ______________
Now use the slope you found and one of the __________________.
Find the ____________________.
EX 2 Write the equation of the line that passes through the points (-3, 1) and (5, 5).
2. PERPENDICULAR LINES
Perpendicular means ____________________ _____________________ slope.
• What does opposite mean? ________________________________________
• What does reciprocal mean? _______________________________________
What is the slope of the line through (-6, 1) and (-4, -3).
How does it compare to the slope of (-4, -3) and (2, 0)?
HW p. 288 (28 – 46 even and #45)
