Mathematics 141 Practice quiz 1
(submit over the internet by 1 February 2000)
This quiz will not affect your course grade
Click on the appropriate answer for each question.
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[1] Evaluate: -5(32 - 2) - 2(2 - 23)
  (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
[10]
For the problem in the box below, enter the requested information:
As Amanda walks the 5 kilometers from home to school, she passes the pharmacy. The pharmacy is a kilometer closer to Amanda's home than to her school. What is the distance between Amanda's home and the pharmacy?
Using English only, enter a definition for a variable "x":
Let x =
Write an equation in variable "x" which translates the boxed problem above:
Enter (in the answer box, right) the distance between Amanda's home and the pharmacy:

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This page last updated
18 January 2000