234 Answer Key
- 4y − 5 x = 8
6
4
2
–2
5
(4, 7)
y =^5
4
x+ 2
y
x
- yxx−
1
3
2
3
4
2
–2
5
6,
4
( 3 (
y =
1
3
x –
2
3
2
–
3
x
y
Chapter 18 The Equation of a Line
Exercise 18
- y= 4 x+ 3
- y= −3x − 3
- yx
1
3
- 2 1
1
=
−
−
y
x
2(x − 1) = y − 1
y= 2 x − 1
234 Answer Key
6
4
2
–2
5
(4, 7)
y =^5
4
x+ 2
y
x
1
3
2
3
( 3 (
y =
x –
x
y
Chapter 18 The Equation of a Line
Exercise 18
1
3
=
−
−
y
x
2(x − 1) = y − 1
y= 2 x − 1