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Notes Over 5.6 Quadratic Formula The solutions of the quadratic equation 2 y ax bx c are given by the Quadratic Formula: b b 4ac 2 2a Notes Over 5.6 Solving a Quadratic Equation with Two Real Solutions Use the quadratic formula to solve the equation. 1. x 9 x 5 0 2 b9 b9 4 1a 5c 21 a 2 9 81 20 9 61 2 2 Notes Over 5.6 Solving a Quadratic Equation with Two Real Solutions Use the quadratic formula to solve the equation. 2. 5 x 3x 1 0 2 b3 b3 4 a5 c1 2 a5 3 9 20 10 2 3 29 10 Notes Over 9.5 Solving a Quadratic Equation with Two Real Solutions Use the quadratic formula to solve the equation. 3. x 2 x 4 0 2 b2 b2 4 a1 4c 2 a1 2 2 4 16 2 2 20 2 22 5 1 5 2 Notes Over 5.6 Solving a Quadratic Equation with One Real Solution Use the quadratic formula to solve the equation. 4. x 6 x 9 0 2 b6 b6 4 1a 9c 21 a 2 6 36 36 6 3 2 2 Notes Over 5.6 Solving a Quadratic Equation with One Real Solution Use the quadratic formula to solve the equation. 5. x 4 x 4 0 2 b4 b4 4 1 a 4c 21 a 2 4 16 16 4 2 2 2 Notes Over 5.6 Solving a Quadratic Equation with One Real Solution Use the quadratic formula to solve the equation. 6. x 10 x 25 0 2 10 b 10 b 4 1 a 25 c 21 a 2 10 100 100 10 5 2 2 Notes Over 5.6 Solving a Quadratic Equation with Two Imaginary Solution Use the quadratic formula to solve the equation. 7. x 6 x 10 x 6 x 10 0 2 b6 2 b6 4 1a 10 c 21 a 6 4 2 6 36 40 2 2 36 2i 3i 2 Notes Over 5.6 Solving a Quadratic Equation with Two Imaginary Solution Use the quadratic formula to solve the equation. 8. x x 1 x x 1 0 2 b1 2 b1 4 1 a 1c 21 a 2 1 3 1 1 4 2 2 1 i 3 2 Notes Over 5.6 Solving a Quadratic Equation with Two Imaginary Solution Use the quadratic formula to solve the equation. 9. x 2 x 3 0 2 b2 2 b2 4 1a 3c 21 a 2 8 2 4 12 2 2 2 2i 2 1 i 2 2 Notes Over 5.6