Page 111 - Math Course 3 (Book 1)

Writing Linear Equations

Write an Equation Given Two Points Write an Equation From a Table
Write an equation for the line that passes through Use the table of values to write an equation in
(4, –2) and (–2, –14). slope-intercept form.
x y
2
A. y = –8x + 30 A. y = – x –6 4
3
8
2
B. y = x – 38 B. y = – x – 4 –3 2
3 2 3 3 –2
2
C. y = 2x + 6 C. y = – x + 4
9 3 6 –4
2
D. y = 2x – 10 D. y = – x + 8
9 3

Answer Answer

Skill Practice!

Write an equation in slope-intercept form for each line.

1. slope = 7 2. slope = –5 3. slope = 3
5
y-intercept = 2 y-intercept = –3 y-intercept = 6

4. slope = –6 5. slope = 2 6. slope = 4
3
7
y-intercept = 7 y-intercept = 1 y-intercept = –4

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