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Quadratics (Grade 9)

Free printable Grade 9 algebra worksheet: expand, factorise and solve simple quadratic expressions and equations.

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Grade 9 · Math worksheet
Name
Date
Math

Algebra: Quadratics

Expand, factorise, or solve each quadratic expression or equation.

  1. 1.
    Expand: (x + 1)(x + 5)
  2. 2.
    Expand: (x - 4)(x + 2)
  3. 3.
    Expand: (x + 8)(x - 8)
  4. 4.
    Expand: (x - 5)(x + 5)
  5. 5.
    Expand: (x + 1)(x - 6)
  6. 6.
    Factorise: x^2 + 10x + 9
  7. 7.
    Factorise: x^2 + 14x + 45
  8. 8.
    Factorise: x^2 - 10x + 9
  9. 9.
    Factorise: x^2 - 6x - 7
  10. 10.
    Factorise: x^2 - 4x - 21
  11. 11.
    Solve: x^2 + 3x + 2 = 0
  12. 12.
    Solve: x^2 - 5x - 14 = 0
  13. 13.
    Solve: x^2 + 8x + 15 = 0
  14. 14.
    Solve: x^2 + 9x + 14 = 0
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