2.Solve the Following. Give the Answer As Var =
Name: ______
Quiz #2 – Chapter 2
1.Simplify2(5p2q pq) + 5pq ½ (p2q + 2)
2.Solve the following. Give the answer as var = #.
a)4 x = 2 (x + 1)
2 2
b)2x + 5 = 3x + 5
c)7(x 5) + x = 8x 1
d)7 5(x + 1) = 5 3(2x + 1) + x
e)0.25(x + 0.1) = 5(x 0.01)
3.Evaluate7/8 ab2when a = - 1 1/3 and b = 3/7
4.Solve each of the following for the indicated variable.
a)g = e 7f ; f
8
b)2x 5y = 3 ; y
*c)ab + 4b = 6(a + ab); a
5.Circle the letter that best represents the following statement.
Twice the sum of 21 and Ellen's weight (unknown).
a) 2x + 21b) 42 + xc) 21(x + 2)d) 2(21 + x)
6.Circle the letter that best represents the following statement.
A number (x) decreased by 7% is 130.
a) x 7 = 130b) x 7x = 130c) x 0.07x = 130 d) x 0.07 = 130
7.Circle the letter that best represents the following statement.
Five more than the difference of x and y.
a) (x y) + 5b) (y x) + 5c) x + y + 5d) (x + y) 5
8. Circle the letter that best represents the following statement.
The quotient of 29 subtracted from 17 and 2.
a) 29 17 2b) 29 17 c) 17 29 d) 17 + -29
2 2 2
For the word problems correct setup, equation and solution must be given.
9.Kirk worked 8 hours fewer this week than last. If he worked a total of 28 hours
during these 2 weeks, how many hours did he work last week?
10.Train A and Train B leave the same station traveling in the same direction. Train
A travels 20 mph and train B at 30 mph. If Train B leaves 4 hours after Train A,
how long before Train B catches Train A?
11.Sam had $8000 to invest. He wished to put some money in a CD earning 13%
and the remainder in a special funds account earning 12% (simple interest). If he
earned $980 in one year, set up a table and give an equation to find out how much
is in each account. Don't solve.
12.How many pounds of peanuts sold for $3/lbs. should Maxine mix with 3 lbs. of
chocolate candies selling for $1.20/lbs. to get a mixture selling for $2.46/lbs.?
13.We want the garden to be 25 feet long and we have only 200 board feet of lumber
to make a one rail fence. What is the largest the width can be so that we don't
have to get more lumber?
14.Solve, graph and write the solution in interval notation
a)-3x + 15 < 9
b)-7 -7x 14 < 7
15.Give the solution set in interval notation.
a)x < 3 or x -3
b)-3x + 6 > -9 or -3x < -21
c)-5x 5 10 and 2x < 6
16.Solve.
a)| 6/7 x + 4 | + 5 = 14
b)|2x 1| 3
c)| 2x 1 | > 3
d)| x + 3 | -9
e)| 14x 6 | -2
f)| 2x 7 | = | x 3 |
g) 4x 4 0
5
h) 4x 4 < 0
5
1