1.
For a nonvertical line through the point at (
x
1
,
y
1
) with slope
m
, the point-slope form of a linear equation is ______.
A.
x
-
x
1
=
m
(
y
-
y
1
)
B.
y
-
y
1
=
m
(
x
-
x
1
)
C.
y
-
y
1
=
m
- (
x
-
x
1
)
D.
y
-
x
1
=
m
(
x
-
y
1
)
Hint
2.
Write the point–slope form of an equation for the line passing through
(2, –5) with slope
A.
B.
C.
D.
Hint
3.
A line passes through the origin of a coordinate system. The slope of the line is 0. What is the equation of this line?
A.
x
= 0
B.
y
= 0
C.
y
=
x
D.
y
= –
x
Hint
4.
Write the point–slope form of an equation for the line passing through
(2, 3) with slope 2.
A.
y
+ 3 = 2(
x
+ 2)
B.
y
+ 2 = 2(
x
+ 3)
C.
y
– 3 = 2(
x
– 2)
D.
y
+ 2 = 2(
x
+ 3)
Hint
5.
Write the point-slope form of an equation of the line in the graph.
Use (-2, 0) for (
x
1
,
y
1
).
A.
y
– 2 =
x
B.
y
+ 2 =
x
C.
y
=
(
x
– 2)
D.
y
=
(
x
+ 2)
Hint