1.
Which information is enough to write a linear equation in point-slope form?
A.
the
y
-coordinates of two points on the line
B.
the
x
- and
y
-coordinates of two points on the line
C.
the
x
-coordinates of two points on the line
D.
the slope of the line
Hint
2.
An equation in point–slope form for the line shown in the graph below is________.
A.
y
+ 4 = 1(
x
+ 1)
B.
y
– 4 = 1(
x
– 1)
C.
y
+ 3 = –1(
x
– 0)
D.
y
– 0 = –1(
x
– 3)
Hint
3.
Consider the graph below. In 1990, the population of Iowa Falls, Iowa, was 5435. In 1998, the population was 5137. An equation in point–slope form for the population of Iowa Falls, as shown in the graph, is______.
A.
B.
C.
D.
Hint
4.
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
+ 2 = 2(
x
+ 3)
D.
y
– 3 = 2(
x
– 2)
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
=
(
x
– 2)
B.
y
+ 2 =
x
C.
y
=
(
x
+ 2)
D.
y
– 2 =
x
Hint