ANSWER:
ANSWER:
2-4 Writing Linear Equations
y = 2x – 2
Write an equation of the line passing through
18. (–8, –5), (–3, 10)
each pair of points.
SOLUTION:
Substitute
and
17. (–2, –6), (4, 6)
in the slope formula
SOLUTION:
Substitute
and
in
the slope formula
.
.
Substitute m = 3 and
in the point-
slope form
Substitute m = 2 and
in the point-
slope form
.
.
Subtract 5 from each side.
Subtract 6 from each side.
ANSWER:
y = 3x + 19
ANSWER:
y = 2x – 2
19. (–4, 12), (–2, –4)
SOLUTION:
18. (–8, –5), (–3, 10)
and
Substitute
SOLUTION:
in the slope formula
Substitute
and
in the slope formula
.
.
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Page 2
Substitute m = –8 and
in the point-
slope form
.
Substitute m = 3 and
in the point-