Lesson 3.3 Eqtations In Y - Mx Form Worksheet With Answers - 8th Math, 2015
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28thMathLesson3.3.notebook
October 22, 2015
Bell Ringer
Bell Ringer Answers
1) Find the slope of a road that rises 12 feet for every horizontal
change of 100 feet.
1) 3/25
2) Find the slope of the line that passes through the points (‐2, 3)
2) ‐7/9
and (7, ‐4).
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Sec. 3.2 HW Answers Pg. 185
1) ‐5/8 6) 3
Lesson 3.3 Equaons in y = mx Form
2) ½ 7) ‐4
3) ‐3/4 8) 5/3
4) ‐5/2 9) Yes, 1/15 < 1/12
5) 2
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Example: The amount of money Serena earns at her job is shown on
Direct variaon : = m ; y varies directly with x; also wrien as y =
the graph. Determine the amount Serena earns per hour.
mx where m≠0
*The slope of y = mx is m, and the graph always passes through
(0, 0).
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