Evaluate 4x – y – 6 when x = -4 and y = -1.
Correct answer(s):
- -21
MCQ Academy - English
Free Online MCQ Practice Tests in English
Latest Quizzes
Expand and simplify: 6(6x + 7).
Correct answer(s):
- 36x + 42
A shop charges a fixed delivery fee of 13 taka plus 12 taka for each folder. If the total cost is 145 taka, how many folders were ordered?
Correct answer(s):
- 11
What value of x makes the equation 8x – 16 = 32 true?
Correct answer(s):
- 6
Solve for x: 2(x + 4) – 7 = -7.
Correct answer(s):
- -4
y varies inversely as x. If y = 4 when x = 6, what is the constant of variation?
Correct answer(s):
- 24
Select all numbers that satisfy x ≤ 0.
Correct answer(s):
- -1
- 0
- -2
What type of equation is 3x + 4 = 3x + 8?
Correct answer(s):
- No solution
The length of a rectangle is 10 cm more than its width. If the perimeter is 40 cm, what is the width?
Correct answer(s):
- 5 cm
A quantity decreases by 15% and becomes 102. What was the original quantity?
Correct answer(s):
- 120
Factor: m^2 – 16.
Correct answer(s):
- (m - 4)(m + 4)
Simplify: y^(-5), where y ≠ 0.
Correct answer(s):
- 1/y^5
Solve the system: x + y = 2 and -x + 2y = -14.
Correct answer(s):
- (6, -4)
What is the slope of the line passing through (3, 1) and (7, -7)?
Correct answer(s):
- -2
The sequence begins 3, 6, 9, 12, … . What is the 10th term?
Correct answer(s):
- 30
Solve the inequality: 3x + 8 ≥ -1.
Correct answer(s):
- x ≥ -3
Factor the greatest common factor from 30x – 36.
Correct answer(s):
- 6(5x - 6)
Simplify: (4x – 5y – 4) + (5x – 2y + 10).
Correct answer(s):
- 9x - 7y + 6
Solve for x: 6x + 4/3 = -55/6.
Correct answer(s):
- -7/4
A student solves 3(x + 4) as 3x + 4. What is the mistake?
Correct answer(s):
- The 3 was not multiplied by 4