1.
Determine the slope of the line graphed below.
A.
B.
0
C.
D.
Hint
2.
What is the slope of
in parallelogram
ABCD
?
A.
B.
C.
D.
Hint
3.
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation
does not
have a graph that is a line parallel to the other three?
A.
B.
3
x
+ 4
y
= -16
C.
8
y
= - 6
x
D.
Hint
4.
What is the slope of the line through the points
A
(-3, 4) and
B
(2, -1)?
A.
-3
B.
-1
C.
D.
1
Hint
5.
The greatest power in a quadratic function is ______.
A.
3
B.
1
C.
2
D.
4
Hint
6.
What is the equation of the graph shown?
A.
y
= -
x
2
+2
x
- 1
B.
y
=
x
2
+ 2
x
+ 1
C.
y
=
x
2
- 2
x
+ 1
D.
y
= -
x
2
- 2
x
- 1
Hint
7.
Which characteristic describes a graph that is linear and has direct variation.
A.
Variables
x
and
y
are not proportional.
B.
The graph does not pass through (0, 0).
C.
The equation has the form
y
=
mx
.
D.
The equation has the form
y
=
mx
+
b
.
Hint
8.
Find the equation that has direct variation.
A.
y
= 5
x
+ 1.3
B.
y
= 4
x
C.
y
= 0.8
x
+ 9
D.
y
= –3
x
– 1
Hint
9.
Find the graph that does not have direct variation.
A.
B.
C.
D.
Hint
10.
Find the situation that involves a decreasing linear relationship and has direct variation.
A.
A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second.
B.
The temperature that begins at 0°
F
at 6:00 a.m. rises 3°
F
every hour for 6 hours.
C.
A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second.
D.
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport.
Hint
11.
What is the equation of a line that has a slope of –1 and passes through (–2, 0)?
A.
y
= –
x
– 2
B.
y
= –2
x
+ 1
C.
y
= –
x
– 1
D.
y
= –
x
+ 2
Hint
12.
What is the equation of a line that has a slope of 3 and passes through (–4, –3)?
A.
y
= 3
x
– 9
B.
y
= 3
x
+ 3
C.
y
= 3
x
+ 9
D.
y
= 3
x
– 3
Hint
13.
Write the equation in slope-intercept form.
–6
x
= –10 – 2
y
A.
y
+ 8 = 3(
x
+ 1)
B.
y
= 3
x
+ 8
C.
–6
x
+ 2
y
+ 10 = 0
D.
y
= 3
x
– 5
Hint
14.
How many diagonals are connected to each vertex for a 25-sided polygon?
A.
20
B.
21
C.
25
D.
22
Hint
15.
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y
= 1 + 0.6
x
– 0.08
x
2
, in meters. What is the height of the ball at its highest point?
A.
18.8 m
B.
2.13 m
C.
3.78 m
D.
1 m
Hint
16.
Solve for
y
in terms of
x
.
xy
= 100
A.
y
=
B.
y
= 100
x
C.
x
=
D.
y
=
Hint
17.
What is the reciprocal of
?
A.
B.
C.
D.
Hint
18.
Find which equation does not represent a reciprocal relationship.
A.
B.
–6 =
ef
C.
D.
ab
= 3
Hint
19.
How does
a
affect graphs of equations in the form of
?
A.
a
affects the width of the graph
B.
positive values of
a
move the graph to the left, negative values move it to the right
C.
a
affects the length of the graph
D.
negative values of
a
move the graph to the left, positive values move it to the right
Hint
20.
What type of relationship does the equation have if its first differences are constant?
A.
constant
B.
cubic
C.
linear
D.
quadratic
Hint