CHAPTER 16 / PRACTICE TEST I 609
7 7 777 7
GO ON TO THE NEXT PAGE
- Which of the following integers is 2 greater
than a multiple of 7?
(A) 14
(B) 15
(C) 16
(D) 17
(E) 18 - A store sells oranges for 20 cents each, but for
every four oranges you buy, you may buy a
fifth for only 5 cents. How many oranges can
you buy from this store for $3.40?
(A) 14
(B) 17
(C) 18
(D) 19
(E) 20
3. Ifris a positive number and sis a negative
number, all of the following must represent
positive numbers EXCEPT.
(A) −r+s
(B) r−s
(C)
(D) rs^2
(E) (rs)^2
r
s^2
SECTION 7
Time—20 minutes
16 questions
Turn to Section 7 of your answer sheet to answer the questions in this section.
Directions:For this section, solve each problem and decide which is the best of the choices
given.Fill in the corresponding circle on the answer sheet. You may use any available space for
scratchwork.
- The use of a calculator is permitted.
- All numbers used are real numbers.
- Figures that accompany problems in this test are intended to provide information useful in solv-
ing the problems. They are drawn as accurately as possible EXCEPT when it is stated in a spe-
cific problem that the figure is not drawn to scale. All figures lie in a plane unless otherwise
indicated. - Unless otherwise specified, the domain of any function fis assumed to be the set of all real num-
bersxfor which f(x) is a real number.
The number of degrees of arc in a circle is 360.
The sum of the measures in degrees of the angles of a triangle is 180.
Notes
Reference Information
r
A = πr^2
C= 2 πr
w
A = w A =^1 / 2 bh V = wh V = πr^2 h c^2 = a^2 + b^2 Special right triangles
h
b
w
h
r
h b
c
a
2 x
x
xs s
3 s
2
30 °
60 °
45 °
45 °