Directions: Choose the best answer.
Answer ALL questions (or only a few at a time), then use the BUTTON at the
BOTTOM
of the page to check your answers. If you are told that an answer
is incorrect, go back and redo that question and CHECK ANSWERS again.
You may CHECK ANSWERS at any time.
You may use your graphing calculator when working on these problems.
1. What
is the slope of the line whose equation is 3x - 4y - 16 = 0.
[1] 3/4
[2] 4/3
[3] 3
[4] -4
2. What
is the equation of a line passing through the points (1,2) and (-2,5)?
[1] y = x + 3
[2] y = -x + 3
[3] y = (7/3)x + 1
[4] y = 3x + 3
3.
Which of the following is the equation of a line with a slope of 0 and
passing through the point (4,6)?
[1] x = 4
[2] x = -4
[3] y = 6
[4] y = -6
4. What
is the slope of a line passing through the points (3,5) and (-2,6)?
[1] -1/5
[2] -1
[3] -5
[4] 11/5
5.
A horizontal line has a slope of
[1]
0
[2]
1
[3]
-1
[4]
undefined
6.
What is the slope of the line shown in the figure at the right?
[1] 4/3
[2]
3/4
[3] -(3/4)
[4]
-(4/3)
7. What
are the coordinates of the y-intercept of the equation y - 3x
= 5?
[1] (0,3)
[2] (0,-3)
[3] (0,5)
[4] (0,-5)
8.
The slope of a vertical line is
[1]
0
[2] 1
[3] -1
[4]
undefined
9. Find
the slope of a line perpendicular to the line whose equation is 3y +
2x = 6.
[1] 2
[2] -2
[3] -3/2
[4] 3/2
10.
What are the roots of this parabola?
[1] 3 and 1
[2] 1 and 0
[3]
3 and -1
[4] -4 and 0
11.
What is the equation of the axis of
symmetry of the graph y = 3x2 + 12x -
2 ?
[1] x = -2
[2]
x = 2
[3] y = -2
[4]
y = 2
12.
Which equation below could depict exponential decay?
[1]
y = 3x
[2] y = 1.4x
[3]
y = 0.5x
[4]
y = 2x
13.
What type of function is graphed here?
[1] quadratic
[2] absolute value
[3] linear
[4] exponential
14. The
diagram below shows the graph of y = | x
- 3 |.
Which graph shows the graph of
y = - | x - 3 | ?
[1]
[3]
[2]
[4]
15.
Find the equation of the line parallel
to the line whose equation is y = -3x + 5 and whose y-intercept is -5.
[1] y = -3x - 5
[2] y = 3x - 5
[3] y = (1/3)x - 5
[4] y = 3x - (1/5)
16. Write
an equation for a line passing through the points (c, 2b) and
(c, 3b).
[1] y = cx - b
[2] y = -cx + b
[3] x = 2b
[4] x = c
17.
Which is the equation of a line whose
slope is undefined?
[1] x = -5
[2] y = 7
[3] x = y
[4] x + y = 0
18. What is the equation
of this line?
[1]
[2]
y = 2x -
3
[3]
[4]
y = -2x - 3
19.
Which of these equations represents a
line parallel to the line 2x + y = 6?
[1] y = 2x
+ 3
[2] y - 2x
= 4
[3] 2x - y
= 8
[4] y = -2x
+ 1
20.
Find the equation of the line
that has a slope of -2 and a y-intercept of -9.
[3]
[4]
