Question

Examine the nature of the roots of the following quadratic equation:

$3x^2+8x+4=0$

• A. real distinct and irrational
• B. real distinct and rational
• C. real and equal
• D. complex and unequal

Answer 1

Answer:

B. real distinct and rational

$3x^2+8x+4=0$

Here a =3, b = 8, c= 4

$b^2-4ac=8^2-4\times3\times4$

$=64-48$

$=16$

So the a roots are real distinct and rational