1. 2x(x 3) (x 1)(x 2)
a. 2 x 7x 2. b. 2 x 5x 2 . c. 2 3x 7x 2. d. 2 3x 5x 2. e. 2 3x 5x 2 .
2. 7
2 2
x
x x
a. 7
2
x
x
.
b. 7
2
x
x
.
c.
2
29 14
4
x x
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. ...
3/8/24, 12:53 PM Pretest college-math - Lecture notes 2
about:blank 2/18 College Level Mathematics Placement Pretest September 2012 2 1. 2(3)(1)(2) xx x x a. 27 2 x x . b. 252 x x . c. 23 7 2 x x . d. 23 52 x x . e. 23 52 x x . 2. 7
2 2x
x x a. 7
2x
x
. b. 7
2x
x
. c. 2
2914
4x x
x
. d. 2
2914
4x x
x
. e. 7
4x. 3. 3 2x= a. 2
3x. b. 3x. c. 3
2x. d. 6x . e. 6x. 4. 2 1
425 x
xy
a. 321
25xy. b. 521
10xy. c. 5
225x
y. d. 3210
xy. e. 521
25xy. 3/8/24, 12:53 PM Pretest college-math - Lecture notes 2
about:blank 3/18 College Level Mathematics Placement Pretest September 2012 3 5. 1
2(64)= a. 8. b. 4. c. 1
8. d. 1
8. e. 1
4. 6. If3x a b , then x a. 3b a . b. 3a b . c. 3 3b a. d. 3 3a b. e. 3b a. 7. 2 211
x y
y x
a. ( ) xyx y. b. 1
( ) xyx y. c. 3 31
( ) x y . d. y x. e. 1
x y. 8. 2 71 x is equivalent to whi ch of the following? a. 3 x b. 3 x c. 3 4 x d. 4 3 x e. 0 3 x 9. 2 1
3 4a a a. 1
6a. b. 2
7a . c. 11
12a. d. 1
4a. e. 3
7a. 3/8/24, 12:53 PM Pretest college-math - Lecture notes 2
about:blank 4/18 College Level Mathematics Placement Pretest September 2012 4 10. I n the figure below, if the length of AB is 10, f ind the length of AD. a. 3118 b. 3114 c. 12 d. 1124 e. 1122 11. O ne solution of the equation 27 20 x x is
a. 7 41
2. b. 7 41
2. c. 7 57
2. d. 7 41
2 . e. 7 57
2 . 12. What is the slope of the line shown? You m ay assume that each tick mark represents one unit. a. 2 b. 1
2 c. 1 d. 2 e. 1
2 8 10 A 10 C E B D x y
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