A. 3x² +5r-1 B.5E-8 = 9 3. Solve for x in the equation x2 = 256 by extracting square A 14 and 14 B. 23 and -23 4. Solve by extracting square roots: 2x2 = 162 A 7 and 7 B. 9 and -9 5. In the equation x2 + 18x + 81 = 0. the roots are A8 and -8 B-9 and -9 6. Which part of the quadratic formula expresses the disc btvb-sac Quadratic formula za B. b2 - 4ac С. 20 A 62 7. What is the nature of the roots of a quadratic equatio A Real and equal B В. Real a C. Not real D None 8. Which of the following could be the discriminant of a roots that are real and equal A.-6 В. О. C. 9. If the sum and product of the roots of quadratic equa the value of the coefficient of b? A.-2 B. 4 C.-5 10. The product of the roots of a quadratic equation is: equation if one of its roots is -72 A. x2 - 10x - 21 = 0 B. x2 + 10x + 21 = 0 C. x² - 10x 11. What is the sum of the roots of the quadratic equatic A.-5 B. 5 C. 7 12. Which of the following rational algebraic equations is quadratic equation 3 2x-1 A. *- **2 = 7 B. + = 5 2x² 13. Transform the equation 10 into quadratic et 5 A. 25x2 + 8x + 200 = 0 B. 8x2 + 25x - 200 = 0 C. 8x2 + 25 c. 2x1+ 5x 4 2 + X-1 x+5 : 7 into quadratice 14. Transform the equation A. 7x² + 22x - 41=0 B. 7x² – 22x +41 = 0 C.7x2 +22x 15. Solve the rational algebraic expression *** = 1. A. x = and x = -1 B. x = -and x = -1 C.x
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A. 3x² +5r-1 B.5E-8 = 9 3. Solve for x in the equation x2 = 256 by extracting square A 14 and 14 B. 23 and -23 4. Solve by extracting square roots: 2x2 = 162 A 7 and 7 B. 9 and -9 5. In the equation x2 + 18x + 81 = 0. the roots are A8 and -8 B-9 and -9 6. Which part of the quadratic formula expresses the disc btvb-sac Quadratic formula za B. b2 - 4ac С. 20 A 62 7. What is the nature of the roots of a quadratic equatio A Real and equal B В. Real a C. Not real D None 8. Which of the following could be the discriminant of a roots that are real and equal A.-6 В. О. C. 9. If the sum and product of the roots of quadratic equa the value of the coefficient of b? A.-2 B. 4 C.-5 10. The product of the roots of a quadratic equation is: equation if one of its roots is -72 A. x2 - 10x - 21 = 0 B. x2 + 10x + 21 = 0 C. x² - 10x 11. What is the sum of the roots of the quadratic equatic A.-5 B. 5 C. 7 12. Which of the following rational algebraic equations is quadratic equation 3 2x-1 A. *- **2 = 7 B. + = 5 2x² 13. Transform the equation 10 into quadratic et 5 A. 25x2 + 8x + 200 = 0 B. 8x2 + 25x - 200 = 0 C. 8x2 + 25 c. 2x1+ 5x 4 2 + X-1 x+5 : 7 into quadratice 14. Transform the equation A. 7x² + 22x - 41=0 B. 7x² – 22x +41 = 0 C.7x2 +22x 15. Solve the rational algebraic expression *** = 1. A. x = and x = -1 B. x = -and x = -1 C.x