TSI Math Practice Questions

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•
Mathematics
•
8th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a rectangle?
Back
The perimeter P of a rectangle is given by the formula P = 2(l + w), where l is the length and w is the width.
2.
FLASHCARD QUESTION
Front
If the length of a rectangle is 18 feet longer than its width, how can we express this relationship mathematically?
Back
If w is the width, then the length l can be expressed as l = w + 18.
3.
FLASHCARD QUESTION
Front
How do you calculate the area of a rectangle?
Back
The area A of a rectangle is calculated using the formula A = l * w, where l is the length and w is the width.
4.
FLASHCARD QUESTION
Front
What does it mean for two variables to be directly proportional?
Back
Two variables x and y are directly proportional if there exists a constant k such that y = kx.
5.
FLASHCARD QUESTION
Front
If y = 2 when x = 3, what is the constant of proportionality k?
Back
To find k, use the equation 2 = k(3). Thus, k = 2/3.
6.
FLASHCARD QUESTION
Front
What is the median in a set of numbers?
Back
The median is the middle value when the numbers are arranged in ascending order. If there is an even number of values, the median is the average of the two middle numbers.
7.
FLASHCARD QUESTION
Front
How can you determine if a number could NOT be the median of a data set?
Back
A number cannot be the median if it is greater than the largest or less than the smallest number in the data set.
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