Solve the system: 3x + 1y = 8 and 3x – 2y = 11.
Correct answer(s):
- x = 3, y = -1
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Simplify using exponent laws: 10^7 × 10^2.
Correct answer(s):
- 10^9
Simplify √117 as much as possible.
Correct answer(s):
- 3√13
Solve for x: 6x – 1 = -1.
Correct answer(s):
- 0
Simplify √343 as much as possible.
Correct answer(s):
- 7√7
The sequence is 3, 10, 17, 24, … . What is the 15th term?
Correct answer(s):
- 101
The sequence is 13, 10, 7, 4, … . What is the 15th term?
Correct answer(s):
- -29
Which ordered pairs satisfy y = 2x − 1?
Correct answer(s):
- (1, 1)
- (−1, −3)
- (3, 5)
- (2, 3)
Let A = {3, 7, 10, 14, 17} and B = {1, 4, 6, 7, 10, 14}. What is A ∩ B?
Correct answer(s):
- {7, 10, 14}
Factorize: x² + 20x + 100.
Correct answer(s):
- (x + 10)(x + 10)
Find the range of the data set: 5, 14, 20, 27, 37.
Correct answer(s):
- 32
A student can choose from 6 shirts, 2 pants, and 3 pairs of shoes. How many different outfits are possible?
Correct answer(s):
- 36
Simplify √24 as much as possible.
Correct answer(s):
- 2√6
Solve the system: 2x + 3y = 17 and 2x – 3y = 11.
Correct answer(s):
- x = 7, y = 1
If f(x) = -4x – 6, find f(2).
Correct answer(s):
- -14
Solve for x: 7x + 0 = 42.
Correct answer(s):
- 6
Expand and simplify: (x – 6)².
Correct answer(s):
- x² - 12x + 36
Solve for x: 3x + 5 = -10.
Correct answer(s):
- -5
Simplify using exponent laws: (7^5)^2.
Correct answer(s):
- 7^10
Find the slope of the line passing through (-5, 1) and (-8, -1).
Correct answer(s):
- 2/3