In 1950 the population of Redwood City was 14,000. In
2002 the population was 210,000. What was the percent increase in the
population from 1950 to 2002 ?
(A) 15%
(B) 140%
(C) 150%
(D) 1,400%
(E) 1,500%
3.
If the average (arithmetic mean) of n consecutive integers is 13,
which of the following statements must be true?
I.
The median is 13.
II.
The mode is 13.
III.
n is an odd number.
(A) I only
(B) II only
(C) I and II
(D) I and III
(E) II and III
4.
If 3x + 2y = –7 and 2x + 3y = 12, what is
the value of x + y ?
(A) –10
(B) –9
(C) 1
(D) 9
(E) 10
5.
What is the sum of the roots of the equation
?
(A) –10
(B) –3
(C) 0
(D) 3
(E) 10
6.
If the lengths of two sides of an isosceles triangle are 3 and 8, which
of the following could be the perimeter of the triangle?
I.
11
II.
14
III.
19
(A) III only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III
7.
If the four sides of quadrilateral ABCD are equal in length,
which of the following must be true?
I.
ABCD is a square.
II.
ABCD is a parallelogram.
III.
AC = BD
(A) I only
(B) II only
(C) I and III only
(D) II and III only
(E) I, II, and III
8.
Lines a and b are perpendicular. If the slope of line a
is , what is the slope of line b
?
(A)
(B)
(C)
(D)
(E)
9.
The ratio of boys to girls in a room is 9 to 8. If 2 boys
and 2 girls enter the room, what is the ratio of boys to girls?
(A) 7 to 6
(B) 9 to 8
(C) 10 to 9
(D) 11 to 10
(E) It cannot be determined from the information given.
10.
From a committee of 7 people, 3 are to be selected to serve on a
subcommittee. How many possible subcommittees are there?
(A) 21
(B) 35
(C) 105
(D) 210
(E) 343
First Name (Nome):
Last Name (Cognome):
Country of Residence:
Quiz results will be sent to the email address you
provide below.
Email:
Yes, I want
to receive emails about educational fairs and other similar events.
?
, what is the slope of line b
?
