Solve for x: 4(x + 3) + 9 = 41.
Correct answer(s):
- 5
Subject
Algebra
Practice related MCQ quizzes and improve step by step.
Practice by Education Level
Quizzes in Algebra
y varies inversely as x. If y = 4 when x = 12, what is the constant of variation?
Correct answer(s):
- 48
Select all numbers that satisfy x ≤ 1.
Correct answer(s):
- 0
- 1
- -1
What type of equation is 3x + 5 = 3x + 7?
Correct answer(s):
- No solution
The length of a rectangle is 9 cm more than its width. If the perimeter is 66 cm, what is the width?
Correct answer(s):
- 12 cm
A quantity decreases by 10% and becomes 108. What was the original quantity?
Correct answer(s):
- 120
Factor: x^2 – 4.
Correct answer(s):
- (x - 2)(x + 2)
Simplify: t^0, where t ≠ 0.
Correct answer(s):
- 1
Solve the system: x + y = 11 and 3x + y = 23.
Correct answer(s):
- (6, 5)
What is the slope of the line passing through (-4, 5) and (-2, 4)?
Correct answer(s):
- -1/2
The sequence begins -1, 2, 5, 8, … . What is the 12th term?
Correct answer(s):
- 32
Solve the inequality: 8x + 12 < 20.
Correct answer(s):
- x < 1
Factor the greatest common factor from 18x – 24.
Correct answer(s):
- 6(3x - 4)
Simplify: (3x – 6y – 5) + (-7x – 5y – 10).
Correct answer(s):
- -4x - 11y - 15
Solve for x: 4x – 10 = -18.
Correct answer(s):
- -2
A student says x^2 + x^3 = x^5. What is the mistake?
Correct answer(s):
- Unlike powers were added as if multiplying
Solve for x: 4(x + 1) – 9 = 23.
Correct answer(s):
- 7
y varies inversely as x. If y = 3 when x = 10, what is the constant of variation?
Correct answer(s):
- 30
Select all numbers that satisfy x < -1.
Correct answer(s):
- -2
- -3
What type of equation is 5x – 2 = 5x + 1?
Correct answer(s):
- No solution