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.
y
-
x
1
=
m
(
x
-
y
1
)
B.
y
-
y
1
=
m
(
x
-
x
1
)
C.
y
-
y
1
=
m
- (
x
-
x
1
)
D.
x
-
x
1
=
m
(
y
-
y
1
)
Hint
2.
Which information is enough to write a linear equation in point-slope form?
A.
the
x
- and
y
-coordinates of two points on the line
B.
the
y
-coordinates of two points on the line
C.
the slope of the line
D.
the
x
-coordinates of two points on the line
Hint
3.
Write the point–slope form of an equation for the line passing through
(2, –5) with slope
A.
B.
C.
D.
Hint
4.
State the slope and the coordinates of a point on the graph of the equation
y
– 6 = –3(
x
+ 1).
A.
m
= –3; (–1, 6)
B.
m
= –3; (1, –6)
C.
m
=
; (-1, 6)
D.
m
= –3; (6, –1)
Hint
5.
Write the point–slope form of an equation for the line passing through
(2, 3) with slope 2.
A.
y
+ 2 = 2(
x
+ 3)
B.
y
– 3 = 2(
x
– 2)
C.
y
+ 3 = 2(
x
+ 2)
D.
y
+ 2 = 2(
x
+ 3)
Hint