Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
To which set of numbers does the number belong?
|
|
|
1.
|
–55
a. | natural numbers | b. | whole numbers | c. | integers | d. | irrational
numbers |
|
|
|
2.
|
a. | integers | b. | rational numbers | c. | irrational
numbers | d. | natural numbers |
|
|
|
3.
|
The formula  relates the speed S in miles per hour a car
was traveling to the length d in feet that the car skidded when brakes were applied. The
variable f is the coefficient of friction, which varies depending on the road surface and the
condition of the tires. Which set of numbers contains the value of S for f = 0.5 and
d = 63? a. | integers | b. | whole numbers | c. | rational
numbers | d. | irrational numbers |
|
|
|
Graph the number on a number line.
|
|
|
4.
|
|
|
|
5.
|
|
|
|
Insert <, >, or = to make the sentence true.
|
|
|
6.
|
|
|
|
7.
|
|
|
|
8.
|
|
|
|
Name the property of real numbers illustrated by the equation.
|
|
|
9.
|
a. | Closure Property | b. | Commutative Property of
Multiplication | c. | Commutative Property of Addition | d. | Associative Property of
Addition |
|
|
|
Evaluate the expression for the given value of the variable(s).
|
|
|
10.
|
|
|
|
11.
|
|
|
|
12.
|
 ; b = 2
|
|
|
Combine like terms. What is a simpler form of each
expression?
|
|
|
13.
|
|
|
|
14.
|
|
|
|
What is the solution of the following one-step equation?
|
|
|
15.
|
a. | –1.3 | b. | –0.4 | c. | 0.77 | d. | –0.77 |
|
|
|
Solve the equation.
|
|
|
16.
|
0.125 r  0.0625 + 0.25 r = 0.25 + ra. | –0.28 | b. | 0.23 | c. | –0.5 | d. | –0.3 |
|
|
|
Use an algebraic equation to solve the problem.
|
|
|
17.
|
Two cars leave Denver at the same time and travel in opposite directions. One
car travels 10 mi/h faster than the other car. The cars are 300 mi apart in 3 h. How fast is each car
traveling?
a. | 35 mi/h and 45 mi/h | c. | 45 mi/h and 55 mi/h | b. | 55 mi/h and 35 mi/h | d. | 55 mi/h and 65
mi/h |
|
|
|
Is the following always, sometimes, or never
true?
|
|
|
18.
|
a. | always | b. | sometimes | c. | never |
|
|
|
Solve the equation or formula for the indicated variable.
|
|
|
19.
|
 , for t
|
|
|
What inequality represents the sentence?
|
|
|
20.
|
14 fewer than a number is at least –8
|
|
|
Solve the inequality. Graph the solution set.
|
|
|
21.
|
2r – 9 ³ –6
|
|
|
Is the inequality sometimes, always, or never
true?
|
|
|
22.
|
a. | always | b. | sometimes | c. | never |
|
|
|
23.
|
a. | always | b. | sometimes | c. | never |
|
|
|
Solve the compound inequality. Graph the solution.
|
|
|
24.
|
4x – 5 < –17 or 5x + 6 > 31
|
|
|
25.
|
|
|
|
Solve the absolute value equation. Graph the solution.
|
|
|
26.
|
|
|
|
27.
|
|
|
|
Solve the equation. Check for extraneous solutions.
|
|
|
28.
|
 ; a. | x =  or x =  | c. | x =  | b. | x =  | d. | x =  or x =  |
|
|
|
Solve the inequality. Graph the solution.
|
|
|
29.
|
|
|
|
30.
|
|
|
|
31.
|
|
|
|
32.
|
A furniture maker uses the specification  for the width
w in inches of a desk drawer. Write the specification as an absolute value inequality.
|
|
|
33.
|
When Spheres-R-Us ships bags of golf balls, the number of balls in each bag must
be within 6 balls of 300. Write a compound inequality and an absolute value inequality for an
acceptable number of golf balls b in each bag.
|