Diagnostic Examination

Georgia O'Keeffe's Line and Curve

1. Factor   x2 - 5x + 6.
(a) x2 - 5 x + 6
(b) (x + 2)(x + 3)
(c) (x - 2)(x + 3)
(d) (x - 2)(x - 3)
(e) (x + 3)(x - 2)
2. Simplify [a4 - 4a2 +4]1/2
(a) a2 + 2a + 2
(b) a2 +2
(c) |a2 +2|
(d) a2-2
(e) |a2-2|
3.
Evaluate
( 1

x
+ 3 ) ( 5 + 2

x2
).
(a)
5

x
+ 6

x2
(b)
4

x
+ 6

x2
(c) All of the other answers are incorrect.
(d)
11

x
+ 15 + 2

x2
(e)
5

x
+ 15 + 2

x3
+ 6

x2
4. A line with slope 4 contains the point (1,1). The line must also contain the point
(a) (5,2)
(b) (0,0)
(c) (2,4)
(d) (2,5)
(e) (4,2)
5. What is the slope of a line parallel to 5x - 7y + 2 = 0?
(a) -7
(b) 2
(c) 5/7
(d) 5
(e) 7/5
6. A circle contains the four vertices of a square with diagonal of length 6. The area of the region outside the square and inside the circle is
(a) 36
(b) 36 pi
(c) 9pi - 18
(d) 36pi - 36
(e) 9pi - 9
7. If 3x + 6 = 12, what is x?
(a) x = 4
(b) x = 2
(c) All of the other answers are incorrect.
(d) x = -2
(e) x = 0
8. If x = 8, find the largest value of y which satisfies y2x + yx2 + 128 = 0.
(a) 4
(b) -4
(c) There is no largest value.
(d) -8
(e) 8
9. How many real solutions for x are there to the equation x2 + 3x + 8 = 0?
(a) 3
(b) 2
(c) 0
(d) It cannot be determined.
(e) 1
10. If f(x) = 2-x, find f(4).
(a) 16
(b) -1/16
(c) 1/16
(d) -16
(e) 8
11.
Find the value of x that satisfies the equation
3 = 6x

2x
(a) 4
(b) 0
(c) 3
(d) 2
(e) 1
12. log(x2 - 2x +1) > log(25) reduces to
(a) x < 6
(b) x > -4
(c) x < -4
(d) x > 6
(e) x < -4 or x > 6
13. If f(x) = x2 + 1 and g(x) = 2x - 1, then f(g(2)) =
(a) 26
(b) 5
(c) 10
(d) 11
(e) 9
14. If f(x) = 3x + 3 and g(y) = 2y + 5, what is g(f(2))?
(a) 9
(b) 23
(c) 7
(d) 30
(e) All of the other answers are incorrect.
15. If f(x) = 3x2 + 4 and g(y) = 2y1/2 + 5, what is g(f(2))?
(a) 13
(b) 9
(c) All of the other answers are incorrect.
(d) 20
(e) 10
16. The inequality   x3 > y3   reduces to
(a) x < 2y
(b) x = y
(c) x < y
(d) x > 2y
(e) x > y
17.
Simplify
-10 < 4x + 2

5
< 10
(a) All of the other answers are incorrect.
(b) -13 < x < 13
(c) -12 < x < 13
(d) -13 < x < 12
(e) -12 < x < 12
18.
Under which of the following conditions does   x   satisfy
x + 2

| x - 1 |
> 0
(a) There are no values of x which satisfy this expression.
(b) x + 2 > 0
(c) x - 1 > 0 and x + 2 > 0
(d) All of the other answers are incorrect.
(e) x is not equal to 1 and x + 2 > 0
19. If 4x - y = 1 and 2x + y = 5, find x and y.
(a) x = 1 and y = 3
(b) x = -1 and y = 5
(c) x = 0 and y = 3
(d) x = 4 and y = 1
(e) x = 0 and y = 6
20. If 5x-6y = 4 and 3x + 4y = 10, then x/y is
(a) 3
(b) 1
(c) 0
(d) Cannot be determined
(e) 2
21. If y + 3x + 2 = 0 and y = x2, then there is a solution with x given by
(a) x = 0
(b) Cannot be determined
(c) x = 1
(d) x = -1
(e) x = 2
22. The radian measure of an angle of 60 degrees is
(a) pi/4
(b) pi
(c) pi/2
(d) 2(pi/3)
(e) pi/3
23. Which of the following is correct?
(a) sin(.1) < cos(.1) < sin(.1)cos(.1)
(b) cos(.1) < sin(.1)cos(.1) < sin(.1)
(c) sin(.1)cos(.1) < sin(.1) < cos(.1)
(d) sin(.1) < sin(.1)cos(.1) < cos(.1)
(e) cos(.1) < sin(.1) < sin(.1)cos(.1)
24. If sin(a + b) = 1 and tan(a) = 0, then tan(b) is
(a) 1
(b) 1/2
(c) undefined
(d) 0
(e) 1/4