using quadratic equation

Solve the following equation using the quadratic formula. x 2 + 8 x + 7 = 0 => 7, 1 or -2.6, -5.4 or 0.8, -8.8 or - 1, - 7..

Solve the following equation using the quadratic formula. x 2 + 4 x - 3 = 0 => 2 ± 7 or - 2 ± 2 7 or -2.73, -1.27 or - 2 ± 7..

Solve the following equation using the quadratic formula. x 2 + 2 x - 4 = 0 => 1 ± 5 or - 1 ± 5 or -2.5, 0.5 or - 1 ± 2 5..

Solve the following equation using the quadratic formula. x 2 = 8 x - 20 => 4 ± i 2 or 4, - 2 or 5 ± 2 i or 4 ± 2 i..

Solve the following equation using the quadratic formula. x 2 - 4 x + 9 = 0 => 2 ± 2 i or 2 ± 5 or 2 ± i 5 or - 2 ± i 5..

Solve the following equation using the quadratic formula. - x 2 + 5 x - 12 = 0 => 5 ± i 2 3 - 2 or 5 ± i 2 3 2 or 5 ± 2 3 i 2 or 5 ± 2 3 2..

Solve the following equation using the quadratic formula. - x 2 + 5 x - 12 = 0 => 5 ± i 2 3 2 or 5 ± i 2 3 - 2 or 5 ± 2 3 2 or 5 ± 2 3 i 2..

Solve the quadratic equation algebraically and verify by using a graph. x 2 - x - 6 = 0 => - 1 and 6 or 2 and - 3 or - 2 and 3 or 1 and - 6..

Use the discriminant to find the nature of the solutions of the given quadratic equation. 10 x 2 + 8 x + 9 = 0 => two real, irrational, unequal numbers or two complex conjugate numbers or two real, rational, unequal numbers or one real, rational number (double)..

Use the discriminant to find the nature of the solutions of the given quadratic equation. 16 x 2 - 56 x + 49 = 0 => two real, rational, unequal numbers or two real, irrational, unequal numbers or two complex conjugate numbers or real and rational number (double)..