Semester 1 Exam Preview
1. Solve: 3x – 7 > 5x + 17
2. What is the solution of
3(x – 1) – x = 3 + 2(x – 3)?
A.
B.
C.
D.
0
4
no solution
all real numbers
3. Solve: 7 = 2x + 5
3
x
x=
4. What is the slope of the line
3y = 2x – 9?
Score: ____/20
7. What are the x and y intercepts of
-2x + ⅓y = -6
A.
B.
C.
D.
x = 3, y = -2
x = -3, y = -2
x = 3, y = 18
x = 3, y = -18
8. Find the equation of the line passing
through the point (3, -2) and with a
slope of -5.
A.
B.
C.
D.
y = -5x + 13
y = -5x – 17
y = -5x – 13
y = -5x – 7
9. Write the equation of the line with a
slope of -6 and a y-intercept of (0, -5).
A.
B.
C.
D.
y = -5x – 6
y = -6x + 5
y = -6x – 5
y = -5x + 6
m=
10. What are the root(s) of f(x) = 4x – 8?
5. What is the slope of the line
containing the points (-3, 4)(5, -2)?
A. -¾
B. -3
C. 1
D. ¼
A.
B.
C.
D.
-8
2
-2
8
11. Identify the root(s) of the graph shown
below using a point (or points.)
6. If f(x) = 2x2 – 7x + 1, find f(-2).
f(-2) =
12. Elizabeth’s test grade is a 76 and the
mean for the class is an 85. If the
standard deviation is 3.2, what is
Elizabeth’s z-score?
z-score =
Semester 1 Exam Preview
Use this graph for questions 13 and 14.
17. Which equation best describes this
graph?
x
13. What is the domain of the relation
graphed?
A.
B.
C.
D.
y
{R}
{R, x > 2}
{R, x < 2}
{R, -2 < x < 2}
A.
B.
C.
D.
y = -5
x = -5
y = -5x
x = 5y
14. What is the range of the relation
graphed?
A.
B.
C.
D.
18. A new plasma-screen television costs
$5250. A family makes a down
payment of $552 and pays off the
balance in 24 equal monthly payments.
Which equation correctly shows this?
{R}
{R, y > 2}
{R, y < 2}
{R, -2 < y < 2}
15. Which graph represents a function?
A.
B.
C.
D.
A.
B.
C.
D.
19. What is the range of the function
y = ½x + 2 when the domain is
{-2, 0, 2}?
A.
B.
C.
D.
16. Solve for b1: A = ½h(b1 + b2).
A. b1 = ½Ah – b2
B. b1 =
C. b1 = – b2
D. b1 = 2Ah – b2
552x – 24 = 5250
24x – 552 = 5250
552x + 24 = 5250
24x + 552 = 5250
{-2, 0, 2}
{-1, 0, 1}
{1, 2, 3}
{2, 3, 4}
20. Simplify completely:
A.
B.
C.
D.
-4x² – x + 2
-4x² + x – 2
-3x²
-3x
.