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Bingo: 10th grade algebra

Cut out the cards. The caller reads a question; if your card has the answer, cover it. Four in a row wins.

BINGO

x^(−3/3)x^2+12x+3438x^(2/3)x^(−5/3)(x + 7)0-1020x+6(x-2)/(-2)Two205-171-15x^(7/3)

BINGO

8x^(2/3)-15-171(x + 7)-11x^(−1/2)1/4x^2+12x+34(x − 1)x^(−3/3)2x^2+3Two02516

BINGO

(x-2)/(-2)x^(−5/3)2x^2+303(x − 1)-11x^(2/3)Two20x+616x^(7/4)25x^(−3/3)-15205

BINGO

-171x^2+12x+34Two-11x^(7/3)x^(−3/3)x^(7/4)16820x+632x^2+3-10x^(−5/3)25(x − 1)

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Caller's list: 10th grade algebra

Read the questions in any order. Tick each one as you call it.

  1. ☐ Work out the discriminant of 5x² − 3x + 9 = 0. (-171)
  2. ☐ Rewrite x² + 8x − 9 = 0 as (x + 4)² = k. Find k. (25)
  3. ☐ x² + kx + 64 = 0 has equal roots and k is positive. Find k. (16)
  4. ☐ Write ∛(x⁷) as a power of x. (x^(7/3))
  5. ☐ How many real solutions does x² + 7x + 9 = 0 have? (Two)
  6. ☐ f(x) = 5x − 4 and g(x) = 4x + 2. Find f(g(x)) and simplify. (20x+6)
  7. ☐ f(x) = −2x + 2 and g(x) = x² − 3. Find f(g(−3)). (-10)
  8. ☐ Evaluate 8^(−2/3). Give a fraction. (1/4)
  9. ☐ Evaluate 16^(3/4). (8)
  10. ☐ Which is equal to 1/√x? (x^(−1/2))
  11. ☐ Rewrite x² + 2x + 1 = 0 as (x + 1)² = k. Find k. (0)
  12. ☐ f(x) = x² + 4 and g(x) = 2x − 5. Find g(f(x)) and simplify. (2x^2+3)
  13. ☐ Simplify: (x² − 49)/(x + 7) × (x + 7)/ ((x + 7))
  14. ☐ Work out the discriminant of 5x² + 5x − 9 = 0. (205)
  15. ☐ f(x) = −2x + 2. Find f⁻¹(x). ((x-2)/(-2))
  16. ☐ f(x) = x² − 2 and g(x) = x + 6. Find f(g(x)) and simplify. (x^2+12x+34)
  17. ☐ Which is equal to 1/∛(x⁵)? (x^(−5/3))
  18. ☐ Write x² + 2x + 4 in the form (x + p)² + q. What is q? (3)
  19. ☐ Which is equal to 1/∛(x³)? (x^(−3/3))
  20. ☐ Write ∛(x²) as a power of x. (x^(2/3))
  21. ☐ Work out the discriminant of 5x² + 3x + 1 = 0. (-11)
  22. ☐ Write ∜(x⁷) as a power of x. (x^(7/4))
  23. ☐ Work out the discriminant of 2x² + x + 2 = 0. (-15)
  24. ☐ Simplify: (x² − 1)/ ((x − 1))

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