If U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and A = {5, 7, 8, 10, 12}, what is A′?
Correct answer(s):
- {1, 2, 3, 4, 6, 9, 11}
Subject
Advanced Mathematics
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Quizzes in Advanced Mathematics
Let A = {5, 8, 12, 13, 15} and B = {4, 6, 8, 12, 13}. What is A ∪ B?
Correct answer(s):
- {4, 5, 6, 8, 12, 13, 15}
Find the slope of the line passing through (0, 1) and (2, 3).
Correct answer(s):
- 1
Find the slope of the line passing through (3, -3) and (5, -6).
Correct answer(s):
- -3/2
Solve the system: 2x + 3y = -2 and 1x – 1y = 9.
Correct answer(s):
- x = 5, y = -4
Find the median of the data set: 17, 21, 27, 36, 38.
Correct answer(s):
- 27
Find the slope of the line passing through (4, 0) and (2, 4).
Correct answer(s):
- -2
If f(x) = 6x + 7, find f(8).
Correct answer(s):
- 55
If f(x) = -2x + 3, find f(3).
Correct answer(s):
- -3
Write 9.1e+08 in scientific notation.
Correct answer(s):
- 9.1 × 10^8
Simplify using exponent laws: 10^6 × 10^1.
Correct answer(s):
- 10^7
Simplify √250 as much as possible.
Correct answer(s):
- 5√10
Find the range of the data set: 9, 19, 21, 27, 39.
Correct answer(s):
- 30
The sequence is 7, 4, 1, -2, … . What is the 10th term?
Correct answer(s):
- -20
Expand and simplify: (x + 4)².
Correct answer(s):
- x² + 8x + 16
Solve for x: 5x – 9 = 1.
Correct answer(s):
- 2
The sequence is -6, -3, 0, 3, … . What is the 12th term?
Correct answer(s):
- 27
Find the range of the data set: 14, 17, 22, 26, 28.
Correct answer(s):
- 14
Find the slope of the line passing through (4, 3) and (0, 0).
Correct answer(s):
- 3/4
Solve for x: 2(x + 7) – 7 = 7.
Correct answer(s):
- 0