Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
100
Evaluate each expression for the given values of the variable:
3a + 5, for a = -5
-10
100
Is this equation true, false, or an open sentence? Explain.
-6 + 15 = 10 - (5-8)
true
9 = 9
100
Find the mean:
11, 12, 9, 13, 10, 12, 11, 14, 12
11.6
100
State whether 270 is divisible by:
2, 3, 5, 9, or 10
2, 3, 5, 9, 10
100
Find the LCM:
3x, 2y
6xy
100
Find the unit rate:
A car travels 84 mi on 3 gal of gas.
26 mi/gal
100
Solve:
2(7b - 6) -4 = 12
2
100
Is the relation a function:
(-2, -12) (-2, 0) (-2, 4) (-2, 11)
no
200
Simplify:
5(-12)(-3)(-1)
-180
200
Simplify:
3(2r - 5) + 8(r + 2)
14r + 1
200
Evaluate the formula for the given value:
Perimeter of a rectangle:
p = 2L + 2W
L= 2.9 m, W= 6.05 m
17.9 m
200
Simplify:
-2(3 + 2)^2
-50
200
Write the decimal 0.4 as a fraction
2/5
200
Write a proportion to describe the situation, then solve:
A study reads 45 pages in 2 hours and x pages in 3 hours.
x = 67.5 pages
45/2 = x /3
200
Solve the inequality and graph:
11 > -3y + 2
y > -3
200
Find the slope:
(-4, 1) and (6, 3)
1/5
300
In which quadrant or on which axis does the point
(-8, -6) lie?
three
300
Solve:
w times (-2) = 14
-7
300
Solve;
-3.4t = 30.94
-9.1
300
Find the GCF:
56, 96
8
300
Multiply:
3 3/4 times 2 4/5
10 1/2
300
Find the probability for one roll of a six sided cube:
P(not 2 or 6)
4/6 or 2/3
300
Find the simple interest:
$800 deposited at an interest rate of 1.5% for 3 years
$36
300
Graph the inequality:
y >= 3x -1
400
A shirt costs $15 and jeans cost $25.
Write an expression for the cost of j jeans and s shirts and evaluate the expression to find the cost of 3 pairs of jeans and 5 shirts.
25j + 15s
$150
400
Write and solve an equation:
Thirty-six sections of fencing, all the same length, are joined to form a fence 180 m long. How long is each section of fencing?
36L = 180
5 m
400
Complete:
68 mL = ____ L
0.068 L
400
Simplify:
(8m^4n^2)/(40mn)
(m^3n)/5
400
Solve:
-5b = 3 1/3
-2/3
400
Write the fractions 7/16 as a percent.
43.75%
400
Find the balance:
$18,500 at 9% compounded semiannually for 5 years
$28,729.93
400
What are the differences between a negative correlation and a positive correlation?
Negative correlation: as one value increases, the other decreases.
Positive correlation: as one value increase, the other also increase
500
A submarine was 250 m below sea level. It rose 75 m. Use an integer to describe the new depth of the submarine.
-175
500
Solve the inequality:
p/-2 <= -5
p >= 10
500
Explain how the outlier in the data set affects the mean:
3, 2, 6, 3, 5, 4, 15, 4, 3
The outlier 15 raises the mean by 1.25
500
Write the number in standard notation:
1.02 times 10^-9
0.00000000102
500
Two packages each weigh 1.875 pounds. How much do they weigh altogether?
3 3/4
500
Find 45% of 12.
5.4
500
How is solving a two-step inequality different from solving a two-step equation?
You must reverse the direction of the inequality when multiplying or dividing by a negative number.
500
What is the purpose of a trend line?
To predict something