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Math 1650 Homework Solutions
Jason Snyder, PhD.
Page
1
of
9
§ 1.10
236 (even), 42
–
52 (even), 54, 56, 60, 68
Solutions
1
–
8 Find the slope of the line through
P
and
Q
.
2)
P
(0,0),
Q
(2,6)
°
=
?
2
−?
1
?
2
−?
1
=
−
6
−
0
2
−
0
=
−
6
2
=
−
3.
4)
P
(1,2),
Q
(3,3)
°
=
?
2
−?
1
?
2
−?
1
=
3
−
2
3
−
1
=
1
2
.
6)
P
(2,5),
Q
(4,3)
°
=
?
2
−?
1
?
2
−?
1
=
3
−
(
−
5)
−
4
−
2
=
3+5
−
6
=
8
−
6
=
−
4
3
.
8)
P
(1,4),
Q
(6,0)
°
=
?
2
−?
1
?
2
−?
1
=
0
−
(
−
4)
6
−
(
−
1)
=
4
7
.
10) (a) Sketch lines through (0,0) with slopes
1, 0,
1
2
, 2, and
−
1
.
(b) Sketch lines through (0,0) with slopes
1
3
,
1
2
,
−
1
3
, and 3.
8
6
4
2
2
4
6
8
5
5
x
y
8
6
4
2
2
4
6
8
5
5
x
y
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View Full DocumentMath 1650 Homework Solutions
Jason Snyder, PhD.
Page
2
of
9
11
–
14 Find an equation for line whose graph is sketched.
12)
The line passes through the points (2,0) and (0,4), thus its slope is given by
°
=
4
−
0
0
−
(
−
2)
=
4
2
= 2.
The slopeintercept form of the line is therefore given by
?
= 2
?
+ 4.
14)
The line passes through the points (3,0) and (0,4), thus its slope is given by
°
=
−
4
−
0
0
−
(
−
3)
=
−
4
3
.
The slopeintercept form of the line is therefore given by
?
=
−
4
3
? −
4.
Math 1650 Homework Solutions
Jason Snyder, PhD.
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 Spring '06
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 Math

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