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05 Algebra and Applied Math Online Quiz Questions
Use this free practice quiz with 20 questions to review 05 Algebra and Applied Math, test your knowledge, and prepare for your next test or exam.
True or false: Subtracting 4 from only one side of an equation preserves the equality.
- A
True
- B
False
An item costs $24 and is discounted by 25%. What is its sale price before tax?
- A
$6
- B
$18
- C
$19
- D
$30
A car travels 150 miles in 3 hours at a constant rate. What is its average speed in miles per hour?
Four notebooks cost $12. If every notebook has the same price, how much do 7 notebooks cost?
- A
$16
- B
$18
- C
$21
- D
$28
Complete the inequality that represents “n is at least 12”: n12.
True or false: A change from 20% to 25% is an increase of 5 percentage points and a 25% relative increase.
- A
True
- B
False
A group has 18 people out of a total of 60. What percentage of the total is in the group?
A service charges a fixed fee of $18 plus $6.50 per hour. In the equation 18+h=44, what hourly rate belongs in the blank?
For the data set 120, 125, 130, 135, 190, select all correct statements.
- A
The mean is 140.
- B
The median is 130.
- C
The set has a mode of 125.
- D
The range is 70.
- E
The value 190 pulls the mean upward.
When interpreting a graph, select all practices that help make a reliable comparison.
- A
Check the graph’s labels and units before comparing values.
- B
Assume every vertical axis begins at zero.
- C
Check whether the scale uses uneven intervals.
- D
Calculate values when a comparison depends on the size of a difference.
- E
Ignore the time period if the graph has a clear title.
Why can 1 hr60 min be used as a unit-conversion factor?
- A
It changes the quantity being measured.
- B
It is used only when converting between units of the same name.
- C
It equals 1 because its numerator and denominator represent the same quantity.
- D
It makes the original unit remain in the final answer.
True or false: A conversion factor such as 1 hr60 min has a value of 1 because 60 minutes equals 1 hour.
- A
True
- B
False
A service charges a fixed fee of $18 plus $6.50 per hour. A customer can spend at most $50, and the service time must be a whole number of hours. Write and solve an inequality to find the greatest number of hours the customer can afford, and explain why the answer must be rounded in that direction.
Which expression is equivalent to 5x+2−3x+6?
- A
2x+4
- B
2x+8
- C
8x+2
- D
8x+8
Four notebooks cost $12. If each notebook costs the same amount, how much do 7 notebooks cost?
- A
$18
- B
$19
- C
$21
- D
$24
What is 15% of 80?
- A
10
- B
12
- C
15
- D
18
In the data set 120, 125, 130, 135, 190, which measure of center is less affected by the unusually high value 190?
- A
Mean
- B
Median
- C
Mode
- D
Range
A service charges a fixed fee of $12 plus $8 per hour. If the total charge is $52, how many hours was the service used?
A display has 3 rows of labels, with 22+1 labels in each row. After 5 labels are removed, how many remain? Calculate 3(22+1)−5.