Mathematics 141 Practice quiz 1a
(With changes suggested by Brad Aleckson in Lorna's office)
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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
(f) none of the above

[3] Half of Bob's monthly paycheck is spent on rent; Bob's food costs $270 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] The following table lists HDTV purchases predicted in Belleville, Calif.
 
Year 2000 2001 2002 2003 2004
Number of HDTVs 2 20 200 2000 5000
Total value of all HDTVs sold 4000 30 000 220,000 1,800,000 3,000,000
  In which year will the average value of one new HDTV in Belleville fall below $1000 ?
  (a) 2000
(b) 2001
(c) 2002
(d) 2003
(e) 2004
(f) 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] Which expression below is equal to: [3x -(y - 2x)] - [2y + (x - y)] ?
  (a) 2x - 4y
(b) -2y
(c) 4x - 2y
(d) 6x - 4y
(e) none of the above
[7]
Which single fraction is equal to the following?
( 1
3		 - 1 ) ( 2
3		 - 1
2		 )
 
(a)   - 1
9
(b)   - 1
2
(c)   - 5
6
(d)   - 17
18
(e)   none of
the above
[8]
Tim's logging crew can cut down a tree in 40 minutes. Sven's logging crew can cut down a tree in 45 minutes. What is the total number trees cut in 12 hours by both crews ?
D  
  D
  (a) 12
(b) 18
(c) 24
(d) 27
(e) 34
(f) none of the above
[9]
Enter the value of the expression [1 - ( |-3| - |-4| )]:
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[10]
A square pasture 100 meters on each side must be fenced on its perimeter and divided in half by a vertical fence. How many meters of fence material will be needed?
  
  Enter (in the answer box, right) the length of fence material needed:
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This page last updated
23 June 2000