Solve for x: 3x – 7/3 = -10/3.
Correct answer(s):
- -1/3
Subject
Algebra
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Quizzes in Algebra
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 + 4) – 9 = 35.
Correct answer(s):
- 7
y varies directly as x. If y = 28 when x = 7, what is the constant of variation?
Correct answer(s):
- 4
Select all numbers that satisfy x > 5.
Correct answer(s):
- 6
What type of equation is 6(x – 1) = 6x – 6?
Correct answer(s):
- Identity: true for every value of x
The length of a rectangle is 8 cm more than its width. If the perimeter is 44 cm, what is the width?
Correct answer(s):
- 7 cm
A quantity increases by 12% and becomes 224. What was the original quantity?
Correct answer(s):
- 200
Factor: p^2 – 121.
Correct answer(s):
- (p - 11)(p + 11)
Simplify: t^(-4), where t ≠ 0.
Correct answer(s):
- 1/t^4
What is the slope of the line passing through (-2, 1) and (2, -7)?
Correct answer(s):
- -2
The sequence begins 4, 6, 8, 10, … . What is the 11th term?
Correct answer(s):
- 24
Solve the inequality: 6x – 6 ≤ -36.
Correct answer(s):
- x ≤ -5
Factor the greatest common factor from 10x + 12.
Correct answer(s):
- 2(5x + 6)
Simplify: (7x + 5y – 10) + (-5x + 4y – 3).
Correct answer(s):
- 2x + 9y - 13
Solve for x: 4x – 2 = -5.
Correct answer(s):
- -3/4
A student solves -2x < 8 and writes x < -4. What is the mistake?
Correct answer(s):
- The inequality sign was not reversed
Solve for x: 4(x – 1) + 10 = 26.
Correct answer(s):
- 5
y varies inversely as x. If y = 8 when x = 5, what is the constant of variation?
Correct answer(s):
- 40
Select all numbers that satisfy x ≥ 2.
Correct answer(s):
- 2
- 3