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Algebra

Test your basic knowledge about algebra

Mathematics · Algebra24 questions30 min
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  1. 1

    Solve for x: 3x + 6 = 21

    • 3
    • 5
    • 7
    • 9
  2. 2

    Solve for x: 2x - 8 = 10

    • 7
    • 8
    • 9
    • 10
  3. 3

    Solve for x: 5x = 35

    • 5
    • 6
    • 7
    • 8
  4. 4

    Solve for x: x/4 = 6

    • 18
    • 20
    • 24
    • 30
  5. 5

    Simplify: 3x + 5x

    • 8x
    • 15x
    • 8
    • 15
  6. 6

    Simplify: 7a - 2a + 4

    • 5a + 4
    • 9a + 4
    • 5a - 4
    • 9a - 4
  7. 7

    Expand: 3(x + 4)

    • 3x + 4
    • 3x + 7
    • 3x + 12
    • 12x
  8. 8

    Expand: 2(3x - 5)

    • 6x - 5
    • 6x - 10
    • 5x - 10
    • 6x + 10
  9. 9

    Factor: x² + 5x

    • x(x + 5)
    • x(x - 5)
    • 5(x + 1)
    • x²(1 + 5)
  10. 10

    Solve: x² = 49

    • 7 only
    • -7 only
    • 7 or -7
    • 49
  11. 11

    What is the slope of y = 3x + 2?

    • 2
    • 3
    • -3
    • -2
  12. 12

    What is the y-intercept of y = -2x + 7?

    • -2
    • 2
    • 7
    • -7
  13. 13

    Solve: 4x + 3 = 2x + 11

    • 3
    • 4
    • 5
    • 6
  14. 14

    Solve: 6 - 2x = 14

    • 4
    • -4
    • 8
    • -8
  15. 15

    Simplify: (x²)(x³)

    • x⁵
    • x⁶
    • 2x⁵
    • x⁶/2
  16. 16

    Simplify: x⁶/x²

    • x⁴
    • x⁸
    • x¹²
  17. 17

    Solve: 2(x - 3) = 14

    • 5
    • 7
    • 10
    • 14
  18. 18

    What is the solution to x + 9 < 15?

    • x < 6
    • x > 6
    • x < 24
    • x > 24
  19. 19

    Which expression is a quadratic?

    • 2x + 1
    • x² + 3x + 2
    • 5x
    • 7
  20. 20

    What is the discriminant of x² + 4x + 3?

    • 4
    • 8
    • 12
    • 16
  21. 21

    Solve: x² - 9 = 0

    • x = 3 only
    • x = -3 only
    • x = ±3
    • x = 9
  22. 22

    If f(x) = 2x + 1, what is f(4)?

    • 7
    • 8
    • 9
    • 10
  23. 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. 24

    Solve: 3(x + 2) = 2x + 9

    • 2
    • 3
    • 4
    • 5