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) 3
(b) x
(c) 2
(d) 0
(e) 1
2.
Simplify (x3 + 2x2 + 2x + 1)

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

x
+ 3 ) ( 5 + 2

x2
).
(a)
5

x
+ 15 + 2

x3
+ 6

x2
(b)
4

x
+ 6

x2
(c)
5

x
+ 6

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

x
+ 15 + 2

x2
4.
The graph
would best approximate the graph of which of the following equations for on the interval [-1.5,1.5]?
(a) y2 + x2 = 1
(b) y = x3
(c) y = x
(d) y = x1/2
(e) y = x2
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) 0 < x
(b) x = 5
(c) 1 < x < 7
(d) 0 < x < 5
(e) x > 7
6. The circle with equation x2 + y2 - 2y = 0 intersects the line y = mx in two distinct points
(a) if and only if m > 0
(b) for all values of m
(c) if and only if m < 0
(d) for no values of m
(e) if and only if m is not equal to 0
7. If 2(2x-3) + 5(x + 1) = 6x-7, what is x?
(a) x = 8
(b) x = 2
(c) x = -4
(d) x = -2
(e) x = 4
8. If x = y and x2y2 - 5xy + 6 = 0, then which of the following is possible?
(a) x = 2
(b) x2 = 3
(c) x = 6
(d) x = 3
(e) x2 = 6
9. Find the largest solution of x3 + 4x2 + 3x = 0.
(a) x = -1
(b) x = -3
(c) x = 1
(d) x = -2
(e) x = 0
10. Simplify (x/2x3)(y2/y).
(a) (x y2)/(2x3y)
(b) (x/2)-2 y
(c) (1/2)x - 2 y
(d) 2x-2y - 1
(e) (1/2)x-2 + y
11. log2(x2 y2) is equal to which of the following?
(a) 2log2(x) + 2log2(y)
(b) All of the other answers are incorrect.
(c) [log2(x)]2 + [log2(y)]2
(d) log2(x) + log2(y)
(e) log2(x2) log2(y2)
12. Which of the following values of x satisfies log2(3x) + log2(2x) = 3?
(a) x = (3/2)1/2
(b) x = 3/5
(c) x = (4/3)1/2
(d) x = 4
(e) x = 5
13. If f(x) = x2 + 1 and g(x) = 2x - 1, then f(g(2)) =
(a) 10
(b) 11
(c) 5
(d) 9
(e) 26
14. If f(x) = 3x + 3 and g(y) = 2(y + 1) + 5, what is g(f(2))?
(a) 11
(b) All of the other answers are incorrect.
(c) 25
(d) 23
(e) 9
15. If f(x)=3x2 + 3, what is f(f(a))?
(a) All of the other answers are incorrect.
(b) 3(3a2 + 3)2 + 3
(c) 3a2 + 3
(d) 0
(e) Not defined.
16. The inequality   x2 - 2x > -1   reduces to
(a) x > 1
(b) x is not equal to 1
(c) x > -1
(d) x < -1
(e) x < 1
17.
Simplify
-10 < 4x + 2

5
< 10
(a) -13 < x < 13
(b) -13 < x < 12
(c) -12 < x < 12
(d) -12 < x < 13
(e) All of the other answers are incorrect.
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) There are no values of x which satisfy this expression.
(c) x + 2 > 0
(d) x - 1 > 0 and x + 2 > 0
(e) All of the other answers are incorrect.
19. If 5x - 6y = 4 and 3x + 4y = 10, find x and y.
(a) x = -2 and y = 2
(b) x = 2 and y = -2
(c) x = -2 and y = -1
(d) x = 2 and y = 1
(e) x = 4 and y = 1
20. If 4x - y = 1 and 2x + y = 5, then 3xy is
(a) Cannot be determined
(b) 3
(c) 6
(d) 0
(e) 9
21. If y + 4x - 5 = 0 and y = x2, then there is a solution with y given by
(a) y = 30
(b) y = 20
(c) Cannot be determined
(d) y = 0
(e) y = 25
22. If a circle has radius 2, then what is the radian measure of an angle whose vertex is at the center of circle and which cuts an arc of length 1 along the circle?
(a) 2pi
(b) pi/2
(c) 1/(4pi)
(d) 2
(e) 1/2
23. If sin(a) = 1, cos(b) > 0, and sin(b) = 1/2, then sin(a + b) is
(a) 3/2
(b) 2/3
(c) 31/2/2
(d) 1/2
(e) 2/(31/2)
24. If sin(a + b) = 1 and tan(a) = 0, then tan(b) is
(a) 1/4
(b) 1/2
(c) 1
(d) undefined
(e) 0