Question Type 8: Finding the roots for real quadratics using the formula Exercises

Find the roots of the quadratic equation $x^2 - 5x + 6 = 0$ using the quadratic formula.

Find the roots of $x^2 + 2x + 1 = 0$ using the quadratic formula.

Solve $7x^2 + 14x + 7 = 0$ using the quadratic formula.

Solve the quadratic $3x^2 - 12x + 12 = 0$ using the quadratic formula.

Solve the equation $2x^2 + 4x - 3 = 0$ by applying the quadratic formula.

Solve $-x^2 + 4x + 5 = 0$ using the quadratic formula.

Use the quadratic formula to solve $5x^2 - 20x + 15 = 0$.

Use the quadratic formula to solve $3x^2 + 2x - 8 = 0$.

Find the roots of $x^2 - 4x + 7 = 0$ by the quadratic formula.

Find the roots of $\tfrac12x^2 - 3x + 4 = 0$ by applying the quadratic formula.

Use the quadratic formula to solve $x^2 + 4x + 5 = 0$.

Find the roots of $4x^2 - 6x + 5 = 0$ by the quadratic formula.