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EOC Practice #19

EOC Practice #19. SPI 3102.3.10. EOC Practice #19. Find the solution of a quadratic equation and/or zeros of a quadratic function. Which values of x make the equation true? x 2 + 4x – 21 = 0 A. –3 and 7 B. –7 and 3 C. 3 and 7 D. –7 and –3.

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EOC Practice #19

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  1. EOC Practice #19 SPI 3102.3.10

  2. EOC Practice #19 • Find the solution of a quadratic equation and/or zeros of a quadratic function.

  3. Which values of x make the equation true? • x2 + 4x – 21 = 0 • A. –3 and 7 • B. –7 and 3 • C. 3 and 7 • D. –7 and –3

  4. Solve x2 – 3 = 8x – 19 • A. –4 • B. –2 • C. 2 • D. 4

  5. Solve x2 – 6x + 3 = 0 • A. • B. • C. • D.

  6. Which values of x make the equation true? • x2 – 10x + 15 = 3x – 15 • A. 3 and 10 • B. –3 and –10 • C. 5 and 6 • D. –5 and –6

  7. Which values of x make the equation true? • 2x2 + 11x – 21 = 0 • A. 7 and –3 • B. – and 7 • C. –3 and 7 • D. –7 and

  8. Solve x2 + 3 = 4x + 35 • A. 7 and –5 • B. –7 and 5 • C. 8 and –4 • D. –8 and 4

  9. Solve x2 + 10x + 15 = 0. • A. • B. • C. • D.

  10. Which value of x makes the equation true? • 3x2 + 14x + 5 = 0 • A. –5 and – • B. 5 and • C. –3 and –5 • D. 3 and 5

  11. The Answers

  12. Which values of x make the equation true? • x2 + 4x – 21 = 0 • A. –3 and 7 • B. –7 and 3 • C. 3 and 7 • D. –7 and –3

  13. Solve x2 – 3 = 8x – 19 • A. –4 • B. –2 • C. 2 • D. 4

  14. Solve x2 – 6x + 3 = 0 • A. • B. • C. • D.

  15. Which values of x make the equation true? • x2 – 10x + 15 = 3x – 15 • A. 3 and 10 • B. –3 and –10 • C. 5 and 6 • D. –5 and –6

  16. Which values of x make the equation true? • 2x2 + 11x – 21 = 0 • A. 7 and –3 • B. – and 7 • C. –3 and 7 • D. –7 and

  17. Solve x2 + 3 = 4x + 35 • A. 7 and –5 • B. –7 and 5 • C. 8 and –4 • D. –8 and 4

  18. Solve x2 + 10x + 15 = 0. • A. • B. • C. • D.

  19. Which value of x makes the equation true? • 3x2 + 14x + 5 = 0 • A. –5 and – • B. 5 and • C. –3 and –5 • D. 3 and 5

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