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) x
(c) 1
(d) 2
(e) 3
2.
Simplify (x3 + 2x2 + 2x + 1)

(x + 1)
(a) x2 + x + 1
(b) x2 - x + 1
(c) x2 + 2x + 1
(d) x2 - 2x + 1
(e) x2 + 1
3.
Evaluate
( 1

x
+ 3 ) ( 5 + 2

x2
).
(a)
5

x
+ 15 + 2

x3
+ 6

x2
(b)
11

x
+ 15 + 2

x2
(c)
5

x
+ 6

x2
(d) All of the other answers are incorrect.
(e)
4

x
+ 6

x2
4.
The graph
would best approximate the graph of which of the following equations for on the interval [-1.5,1.5]?
(a) y = x3
(b) y = x2
(c) y = x1/2
(d) y2 + x2 = 1
(e) y = x
5. A triangle has a side of length 3, a side of length 4, and a side of length x. The possible values of x are
(a) 1 < x < 7
(b) 0 < x
(c) 0 < x < 5
(d) x = 5
(e) x > 7
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) 36pi - 36
(b) 36
(c) 9pi - 18
(d) 36 pi
(e) 9pi - 9
7. Let f(x) = 3x + 2. For which x is f(x) = -2?
(a) 0
(b) 4/3
(c) -4/3
(d) -2/3
(e) -3/2
8. If x = 3, find the smallest value of y which satisfies y2x + 3yx2 + 54 = 0.
(a) 3
(b) -3
(c) -6
(d) There is no smallest value.
(e) 0
9. How many real solutions for x are there to the equation x2 + 3x + 8 = 0?
(a) It cannot be determined.
(b) 0
(c) 3
(d) 1
(e) 2
10. Simplify (x/2x3)(y2/y).
(a) 2x-2y - 1
(b) (x y2)/(2x3y)
(c) (1/2)x - 2 y
(d) (x/2)-2 y
(e) (1/2)x-2 + y
11.
Find the value of x that satisfies the equation
3 = 6x

2x
(a) 4
(b) 2
(c) 1
(d) 0
(e) 3
12. Which of the following values of x satisfies log2(3x) + log2(2x) = 3?
(a) x = (4/3)1/2
(b) x = 4
(c) x = (3/2)1/2
(d) x = 5
(e) x = 3/5
13. The function f(x) = x2 has range
(a) The set of all numbers x such that x is greater than or equal to 1
(b) The set of all numbers x such that x is greater than or equal to 0
(c) The set of all numbers x such that x is less than or equal to 1
(d) The set of all numbers x such that x is less than or equal to 0
(e) The set of all numbers
14. If h(x) = x3, g(x) = x2+1 and f(x) = x +1, then h(g(f(0))) + f(g(h(0))) is:
(a) 4
(b) 0
(c) 16
(d) 9
(e) 10
15. If f(x)=3x2 + 3, what is f(f(a))?
(a) 0
(b) 3a2 + 3
(c) 3(3a2 + 3)2 + 3
(d) Not defined.
(e) All of the other answers are incorrect.
16. Let a = -3, b = 5, and c = -1. Evaluate |a - b| - (c - a)
(a) -2
(b) 11
(c) 6
(d) 8
(e) 10
17. The inequality (x - 1)2 > 1 is equivalent to
(a) 0 < x and x < 2
(b) x > 2
(c) x < 0 or x > 2
(d) x < -2
(e) x < 0
18.
Under which of the following conditions does   x   satisfy
x + 2

| x - 1 |
> 0
(a) x is not equal to 1 and x + 2 > 0
(b) All of the other answers are incorrect.
(c) x - 1 > 0 and x + 2 > 0
(d) x + 2 > 0
(e) There are no values of x which satisfy this expression.
19. If 3x + 4y = 7 and 5x-4y = 1, find x and y.
(a) x = 2 and y = 2
(b) x = 2 and y = 1
(c) x = -1 and y = 1
(d) x = 1 and y = -1
(e) x = 1 and y = 1
20. If 5x-6y = 4 and 3x + 4y = 10, then x/y is
(a) 0
(b) 1
(c) 3
(d) Cannot be determined
(e) 2
21. If y + 4x - 5 = 0 and y = x2, then there is a solution with y given by
(a) y = 20
(b) y = 0
(c) Cannot be determined
(d) y = 25
(e) y = 30
22. A right triangle has sides of length 3, 4, and 5. What is the cosine of its smallest angle?
(a) 3/4
(b) 3/5
(c) 4/3
(d) 5/3
(e) 4/5
23. Which of the following is correct?
(a) cos(.1) < sin(.1) < sin(.1)cos(.1)
(b) sin(.1) < sin(.1)cos(.1) < cos(.1)
(c) sin(.1) < cos(.1) < sin(.1)cos(.1)
(d) sin(.1)cos(.1) < sin(.1) < cos(.1)
(e) cos(.1) < sin(.1)cos(.1) < sin(.1)
24. If sin(a + b) = 1 and tan(a) = 0, then tan(b) is
(a) 1/2
(b) 1/4
(c) 0
(d) undefined
(e) 1