Question

The Sum of the roots of the quadratic equation $4x^2+7x-21=0$ is:

• A. $$-\frac{21}{4}$$
• B. -21
• C. $$\frac{7}{4}$$
• D. $$-\frac{7}{4}$$

Answer 1

Answer:

$$-\frac{7}{4}$$

$4x^2+7x-21=0$

Sum of roots of the quadratic equatio is $\frac{-b}{a}$

$=\frac{-7}{4}$