Download 1. If f(x) = 4x 2- 2x - 1, then f (1/2) equals a. 1 b.

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Transcript
1. If f(x) = 4x 2- 2x - 1, then f (1/2) equals
a. 1
b. -1
c. 0
d. 1/2 e. 2
2. A car is purchased for $10 000. At the end of each year, its value is 30% less than its value
at the beginning of the year. The minimum number of years for its value to be less than
$4200 is
a. 1
b. 2
c.3
d. 4
e. 5
3. Six distinct points are located on a circle. The maximum number of line segments joining
these points such that no two line segments intersect inside the circle is
a. 18
b. 15 c. 11
4. The value of 
(
d. 9
)(
)
e. 8
is

a. 2
b. 4
c. 8
d. 24
e. 96
5. If n ! is defined as the product of the positive integers from 1 to n inclusive, the final digit
in the sum 1! + 2!+ 3! + 4! + 5! ... + 12! is
a. 0
b.1
c.2
d. 3
e. 8
6. A whole number is called an ascending number if each digit in the number is greater than
the digit on its left. An example of an ascending number 2478. The number of ascending
numbers between 4000 and 5000 is
a. 7
b. 8
c. 9
d. 10 e. 11
7. If (3x - 1) (x - 2 ) = 0, then the value of 3x - 1 must be
a. 1/3 only
b. 0 only
c. 1/3 or 0
d. 1/3 or 2
e. 0 or 5
8. A trapezoid has three equal sides and the base is two units less than the sum of these three
sides. If the distance between the parallel sides is 5 units, then the area of the trapezoid in
square units is
a. 13
b. 35
c.65
d. 125
e. 185
9. The line with equation y = 3x + 1 is reflected on the line y = 4. The equation of the reflected
line is
a. y = 1/3x + 1
b. y = -1/3x + 7
d. y = -3x + 6
e. y = -3x + 7
c. y = -1/3x + 6
10. In a sequence of six numbers, the first number is 4 and the last number is 47. Each
number after the second equals the sum of the previous two numbers. If S is the sum of the
six numbers in this sequence, then S lies in the interval.
a. 51 to 90
b. 91 to 100
c. 101 to 110
d. 111 to 120
e. 121 to 160
11. The sum of the positive integer divisors of 2is
a. 2 + 1
b. 2 - 1
c. 2 + 1
d. 2 + 1
12. If x, y, and z are any non-zero real numbers and
| |
| |
| |
|
|
then the number of possible values for w is
a. 1
b. 2
c. 3
d. 4
e more than 4
e. 2 -1