Graphs, Linear Equations, And Inequalities In Two Variables, Functions Worksheet - Mat 100, Armstrong/pierson Page 12
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18Unit 3 – Graphs, Linear Equations, and Inequalities in Two Variables; Functions
3.5 – Slope Intercept Form
Slope-Intercept Form: y = mx + b
1. Find the slope and y-intercept of each equation:
a. y = 7x + 3
2
b. y = 6 –
/
x
3
c. 10x – 2y = 6
2. Determine whether the graphs of 5y = x + 10 and 5x + y = 9 are parallel, perpendicular, or neither.
3. To promote group sales for an Alaskan cruise, a travel agency reduces the regular ticket price of $4500
by $5 for each person traveling in the group. Write a linear equation that determines the per-person
cost ‘c’ of the cruise if ‘p’ people travel together.
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