Download Name

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
Algebra 1- 2nd Nine Weeks Test Review
Name__________________________
1. Write the equation of a line passing through the point (-1, 5) with slope of -3.
A. y  3x  8
B. y  3x  2
C. y  3 x  16
D. y  3 x  14
2. Select the graph that represents an equation with slope of 2 and y-intercept of -3.
A.
B.
C.
D.
3. Given h(r )  8r  3 , evaluate for h(4) .
A. 4r  3
B. 32r  3
C. -35
D. 29
4. Write the equation of the line passing through the points (3, -7) and (-2, -5).
A. y  
2
41
x
5
5
B. y  2 x  13
5
1
C. y   x 
2
2
2
5
D. y   x 
29
5
5. A staircase rises 8 inches for every 10 inches. What is the slope of the staircase?
4
5
4
5
A.
B.
C. 
D. 
5
4
5
4
6. Solve: 3 x  2( x  5)  8 x  (6 x  7)
A. -3
B. -2
C. -17
D. 12
7. Which of the following relationships is a function?
x
y
I.
II.
III. {(2, 7), (3, 10), (5, 16), (-2, -5)}
-1
2
3
5
2
-5
-3
0
5
9
A. I and II only
B. II and III only
C. I and III only
D. I, II, and III
8. Which of the following is the graph of the equation 3 x  4 y  12 ?
A.
B.
C.
D.
9. Josh paid $20 plus $2 per hour to rent a bicycle at the beach. Write a linear function that
expresses the cost (C) of renting a bike as a function of the number of hours (h) it was
rented.
B. f (c)  2  20c
A. f (h)  2  20h
D. f (h)  20  2h
C. f (c)  20  2c
10. Evaluate the expression b  4ac when a = 2, b = -3, and c = -5
2
A. -49
B. -46
11. x  6  2
A. x  8 B.
C. -31
x  8
D. 49
C.
x4
D.
x4
12. Find the domain of the following relation: {(-1, 2), (2, 5), (4, 9), (6, 11)}
A. D: {-1, 2, 4, 6}
B. D: {2, 5, 9, 11} C. all real numbers
D. none of the above
13. Which of the following is a graph of the line whose slope is -3 and contains the point (-1,
4)?
A.
B.
C.
D.
14. Determine whether or not each of the following items are functions. If it is a function, state the
domain and range. (not a multiple choice problem)
15. Solve 9b  3  3(b  2)
A. no solution
B. 2
C. -2
D.
1
2
16. What is the value of the expression 5(x + 6) when x = -3
A. -9
B. 15
C. 9
D. 45
17. Solve 6  16x  2 x  12
A. 1
B. 2
C. -1
D. 5
18.
(not a multiple choice problem- answer each question below)
a)
b)
19. Write the equation of the line shown in the graph. (not a multiple choice problem)
20. Which value of x would cause the relation {(2, 5), (x, 8), (7, 10)} not to be a function?
A. 1
B. 2
C. 5
D. 8
21. Simplify:
 3 5  2 9 
 2 7    7
3  

 
 1 3  8
4 
11 14 

10 
A.  5
 9
1 
B.
5 4
 9 4 


 7 7 
 5 14 


C.  9 4 
 7 7 
D.
1 14 
5 10 


9 1 
22. Use function notation to represent the linear relationship shown below.
x
-2
-1
0
1
2
y
8
6
4
2
0
B. f ( x) 
A. f ( x)  2 x  4
1
x2
2
C. f ( x) 
1
x4
2
D. f ( x)  2 x  2
23. Give the equation for each parent function below.
KNOW HOW THESE SHIFT!
24. In the equation, y  3x , if the value of x is increased by two, what is the effect on
the value of y?
A. Increased by six
B. Increased by two
C. Increased by three
D. None of the above
25. Choose the answer that correctly states the dimensions of the given matrix.
A) 3x2
B) 2x3
C) A & B
D) 6
26. Analyze the graph below to determine the domain and range.
A. Domain: all real numbers
Range: x  3
B. Domain: all real numbers
Range: y  3
C. Domain: x  3
Range: all real numbers
D. Domain: y  3
Range: all real numbers
27. Find the mean, median, and mode for the data set below.
99, 88, 88, 92, 100
28. Find the range, median, lower, and upper quartile for (77, 75, 72, 70, 79, 77,
70, 76).
29. Make a box and whisker plot for the data in #28.
30. Construct a histogram for the data below.
4, 19, 62, 28, 26, 59, 33, 39, 36, 72, 46, 48, 49, 44, 72, 76, 55, 53, 62, 66, 69, 71, 74
31. Is the histogram in #30 positively or negatively skewed?
32. Each student at TLH must take either PE or ROTC prior to graduation. The following table
represents the number of students by genders that are currently enrolled in each course.
Girls
Boys
Total
PE
207
128
335
ROTC
53
97
150
Total
260
225
485
What percent of girls are enrolled in ROTC?
A) approximately 10.9%
B) approximately 79.6%
C) approximately 53.6%
D) approximately 20.4%
What percent of students are enrolled in PE?
A) approximately 100%
B) approximately .691%
C) approximately 1.26%
D) approximately 69.1%
33. Write an equation for the nth term of the arithmetic sequence shown below.
-2, 1, 4, 7, 10, 13
(Hint: Write the equation, then distribute and simplify.)
A. an=2n-1
B. an=3n+2
C. an=2n+4
D. an=3n-5
Related documents