Mathematics 141 Practice quiz 1
(
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)
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[1]
Evaluate
:
-5(3
2
- 2) - 2(2 - 2
3
)
(a) -55
(b) -12
(c) -23
(d) -35
(e) -75
(f) none of the above
[2]
Which of the following illustrates
the distributive property?
(a) 2(x + y) = 2x + 2y
(b) (xy + 1)(x - 1) = (yx + 1)(x - 1)
(c) a(bc) = (ab)c
(d) x
.
1 = x
(e) x + 0 = x
[3]
Half of Bob's monthly paycheck is spent on rent and his food costs $200 per month
;
after Bob pays for rent and food, only 20% of his paycheck remains. Which of the following is Bob's monthly paycheck?
(a) 800
(b) 900
(c) 950
(d) 1000
(e) none of the above
[4]
Find the solution set of the equation
:
2x - (3 - 4x) = 9
(a) {3}
(b) {2}
(c) {-6}
(d) {-3}
(e) none of the above
[5]
If x = 2 and y = -3, which of the following is the value of 2x
-
y - 5
x - 4
(a) 0
(b)
(-½)
(c) 3
(d) 24/7
(e) undefined
[6]
Starting with " 4x <
-
8 ", what results when both sides are multiplied by
(-¼)
?
(a) -x > -2
(b) -x < -2
(c) -x > 2
(d) -x < 2
(e) none of the above
[7]
Which of the following is equal to
2
14
2
-7
(a) 2
-21
(b) 2
7
(c) 2
-7
(d) 2
21
(e) 2
-2
[8]
Which of the compound inequalities below has the graph below
:
(a) -3 > x > 3
(b) x < -3 or x > 3
(c) x > -3 or x < 3
(d) x > -3 and x < 3
(e) x < 3 and -3
[9]
Enter the value or values of x which solves the equation
:
| x - 2 | = 1
x =
or x =
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This page last updated
4 May 2000
