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Algebra
Test your basic knowledge about algebra
Mathematics · Algebra24 questions30 min
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Solve for x: 3x + 6 = 21
- 3
- 5
- 7
- 9
- 2
Solve for x: 2x - 8 = 10
- 7
- 8
- 9
- 10
- 3
Solve for x: 5x = 35
- 5
- 6
- 7
- 8
- 4
Solve for x: x/4 = 6
- 18
- 20
- 24
- 30
- 5
Simplify: 3x + 5x
- 8x
- 15x
- 8
- 15
- 6
Simplify: 7a - 2a + 4
- 5a + 4
- 9a + 4
- 5a - 4
- 9a - 4
- 7
Expand: 3(x + 4)
- 3x + 4
- 3x + 7
- 3x + 12
- 12x
- 8
Expand: 2(3x - 5)
- 6x - 5
- 6x - 10
- 5x - 10
- 6x + 10
- 9
Factor: x² + 5x
- x(x + 5)
- x(x - 5)
- 5(x + 1)
- x²(1 + 5)
- 10
Solve: x² = 49
- 7 only
- -7 only
- 7 or -7
- 49
- 11
What is the slope of y = 3x + 2?
- 2
- 3
- -3
- -2
- 12
What is the y-intercept of y = -2x + 7?
- -2
- 2
- 7
- -7
- 13
Solve: 4x + 3 = 2x + 11
- 3
- 4
- 5
- 6
- 14
Solve: 6 - 2x = 14
- 4
- -4
- 8
- -8
- 15
Simplify: (x²)(x³)
- x⁵
- x⁶
- 2x⁵
- x⁶/2
- 16
Simplify: x⁶/x²
- x³
- x⁴
- x⁸
- x¹²
- 17
Solve: 2(x - 3) = 14
- 5
- 7
- 10
- 14
- 18
What is the solution to x + 9 < 15?
- x < 6
- x > 6
- x < 24
- x > 24
- 19
Which expression is a quadratic?
- 2x + 1
- x² + 3x + 2
- 5x
- 7
- 20
What is the discriminant of x² + 4x + 3?
- 4
- 8
- 12
- 16
- 21
Solve: x² - 9 = 0
- x = 3 only
- x = -3 only
- x = ±3
- x = 9
- 22
If f(x) = 2x + 1, what is f(4)?
- 7
- 8
- 9
- 10
- 23
What is the vertex form of a parabola?
- y = mx + b
- y = ax² + bx + c
- y = a(x-h)² + k
- y = xy
- 24
Solve: 3(x + 2) = 2x + 9
- 2
- 3
- 4
- 5