Algebra Quiz #1 (Numbers)

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[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	2002	2003	2004	2005	2006
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) 2002
(b) 2003
(c) 2004
(d) 2005
(e) 2006
(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

) (

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| )] :

[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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