What is the slope of the line passing through (-3, 5) and (-2, 3)?
Correct answer(s):
- -2
Subject
Mathematics
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Quizzes in Mathematics for Grade 8
The sequence begins 10, 7, 4, 1, … . What is the 11th term?
Correct answer(s):
- -20
Solve the inequality: 8x – 6 ≥ 74.
Correct answer(s):
- x ≥ 10
Factor the greatest common factor from 16x – 20.
Correct answer(s):
- 4(4x - 5)
Simplify: (7x + 5y + 8) + (2x – 3y – 2).
Correct answer(s):
- 9x + 2y + 6
Solve for x: 5x + 5/3 = -7/3.
Correct answer(s):
- -4/5
A student solves 3(x + 4) as 3x + 4. What is the mistake?
Correct answer(s):
- The 3 was not multiplied by 4
Solve for x: 3(x + 2) + 4 = 25.
Correct answer(s):
- 5
y varies directly as x. If y = 36 when x = 6, what is the constant of variation?
Correct answer(s):
- 6
Select all numbers that satisfy x ≥ 1.
Correct answer(s):
- 2
- 1
What type of equation is 6x – 3 = 6x – 1?
Correct answer(s):
- No solution
The length of a rectangle is 2 cm more than its width. If the perimeter is 36 cm, what is the width?
Correct answer(s):
- 8 cm
A quantity increases by 40% and becomes 336. What was the original quantity?
Correct answer(s):
- 240
Factor: m^2 – 100.
Correct answer(s):
- (m - 10)(m + 10)
Simplify: y^0, where y ≠ 0.
Correct answer(s):
- 1
Solve the system: x + y = 2 and x – 2y = 17.
Correct answer(s):
- (7, -5)
What is the slope of the line passing through (3, 2) and (6, -4)?
Correct answer(s):
- -2
The sequence begins -8, -4, 0, 4, … . What is the 9th term?
Correct answer(s):
- 24
Solve the inequality: 7x + 0 < 63.
Correct answer(s):
- x < 9
Factor the greatest common factor from 14x – 21.
Correct answer(s):
- 7(2x - 3)