Diagnostic Examination

Georgia O'Keeffe's Line and Curve

1. The remainder of dividing the polynomial   x3-x2+x-1   by   x-1   is
(a) 0
(b) 1
(c) x
(d) 2
(e) 3
2. Simplify [a4 - 4a2 +4]1/2
(a) a2 + 2a + 2
(b) a2 +2
(c) |a2 +2|
(d) a2-2
(e) |a2-2|
3.
Simplify
x + 1

(x2 - 2x - 3)

x - 3

x + 1
(a) 12
(b)
1

x-3
(c)
( x+1

x - 3
) ( x2 - 2x - 3

x+1
)
(d)
1

x+1
(e)
x+1

(x-3)2
4.
The graph
would best approximate the graph of which of the following equations for on the interval [-1.5,1.5]?
(a) y = x2
(b) y = x3
(c) y = x
(d) y = x1/2
(e) y2 + x2 = 1
5. The line perpendicular to the line   x = 5   has slope
(a) -1
(b) 1
(c) 0
(d) -2
(e) 2
6. The line containing the points (1,1) and (1,-1) is perpendicular to the line
(a) y -1 = x -1
(b) x = 5
(c) y = 2x +1
(d) y = -x -1
(e) y = 5
7. Find all solutions to x2-3x + 2 = 0.
(a) x = 1 and x = -2
(b) x = 1 and x = 2
(c) x = -1 and x = 2
(d) x = -1 and x = -2
(e) x = 1.1 and x = 2.1
8. If x = 3, find the smallest value of y which satisfies y2x + 3yx2 + 54 = 0.
(a) -6
(b) -3
(c) There is no smallest value.
(d) 3
(e) 0
9. Find the largest solution of x3 + 4x2 + 3x = 0.
(a) x = 1
(b) x = -1
(c) x = 0
(d) x = -2
(e) x = -3
10. Simplify (x/2x3)(y2/y).
(a) (1/2)x-2 + y
(b) (1/2)x - 2 y
(c) (x y2)/(2x3y)
(d) (x/2)-2 y
(e) 2x-2y - 1
11. Which of the following values of x satisfies log2(x) - log2(x+1) = -1?
(a) x = 2
(b) x = 3
(c) x = 1/3
(d) x = -1/3
(e) x = 1
12. Which of the following values of x satisfies log2(3x) + log2(2x) = 3?
(a) x = 4
(b) x = (4/3)1/2
(c) x = (3/2)1/2
(d) x = 3/5
(e) x = 5
13. If h(x) = x4 +1, g(x) = x3+1 and f(x) = x2 +1, then f( g(0) + h(0) ) is:
(a) 11
(b) 1
(c) 9
(d) 0
(e) 5
14. If f(x) = 3x + 3 and g(y) = 2y + 5, what is f(g(2))?
(a) 7
(b) 3
(c) 9
(d) 23
(e) 30
15. If f(x) = 3x + 3 what is f(f(2))?
(a) 9
(b) Not defined.
(c) 30
(d) All of the other answers are incorrect.
(e) 81
16. Let a = -3, b = 5, and c = -1. Evaluate |a - b| - (c - a)
(a) 6
(b) 8
(c) 10
(d) -2
(e) 11
17. The inequality x3 < 2x2 -x reduces to
(a) x > 0
(b) x < 1
(c) x > 1
(d) x < 0
(e) x < 0 or x is not equal to 1
18.
Under which of the following conditions does   x   satisfy
x + 2

| x - 1 |
> 0
(a) All of the other answers are incorrect.
(b) x is not equal to 1 and x + 2 > 0
(c) x + 2 > 0
(d) x - 1 > 0 and x + 2 > 0
(e) There are no values of x which satisfy this expression.
19. If 4x - y = 1 and 2x + y = 5, find x and y.
(a) x = 0 and y = 3
(b) x = 1 and y = 3
(c) x = 0 and y = 6
(d) x = 4 and y = 1
(e) x = -1 and y = 5
20. If y + 4x - 18 = 0 and y2 = x, then there is a solution with y given by
(a) y = 0
(b) y = 2
(c) y = 9/4
(d) y = 1
(e) Cannot be determined
21. If y + 4x - 5 = 0 and y = x2, then there is a solution with y given by
(a) y = 0
(b) y = 25
(c) y = 20
(d) Cannot be determined
(e) y = 30
22. The radian measure of an angle of 45 degrees is
(a) pi/2
(b) pi/3
(c) 2pi/3
(d) pi
(e) pi/4
23. If sin(a) = 1, cos(b) > 0, and sin(b) = 1/2, then sin(a + b) is
(a) 1/2
(b) 2/3
(c) 31/2/2
(d) 3/2
(e) 2/(31/2)
24. If sin(a + b) = 1 and cos(a) = 0, then cos(2b) is
(a) 0
(b) 2
(c) cannot be determined
(d) 1/2
(e) 1