Q1 of 51 Page 40

Find the roots of the quadratic equations by using the quadratic formula in each of the following:
5x² + 13x + 8 = 0

Given, 5x² + 13x + 8 = 0

By using quadratic formula,

If b = 0, c < 0, is it true the roots of x² + bx + c = 0 are numerically equal and opposite in sign? Justify your answer.

Find the roots of the quadratic equations by using the quadratic formula in each of the following:

2x² - 3x – 5 = 0

Find the roots of the quadratic equations by using the quadratic formula in each of the following:

-3x² + 5x + 12 = 0

Find the roots of the quadratic equations by using the quadratic formula in each of the following:

-x² + 7x – 10 = 0

Questions · 51

4. Quadratic Equations

1 2 3 4 5 6 7 8 9 10 11 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 1 1 1 1 1 1 1 2 2 2 2 2 1 1 1 1 1 2 3 4 5 6 7 8

Find the roots of the quadratic equations by using the quadratic formula in each of the following:5x2 + 13x + 8 = 0