Question

If d>0 then write the roots of a quadratic equation ax^2+5x+5=0

Answer 1

AnsWer :

D > 5.

Correct QuestioN :

If d > 0 then write the roots of a quadratic equation x² + 5x + 5 = 0

SolutioN :

We have, Quadratic Equation.

ax² + 5x + 5 = 0.

Compare With General Equation.

ax² + bx + c = 0.

Where as,

• a = 1.
• b = 5.
• c = 5.

Condition :

D > 0.

• According to Condition, roots of given Quadratic Equation be real.

$\rule{90}2$

D > b² - 4ac.

D > ( 5 )² - 4 * 1 * 5.

D > 25 - 20.

D > 5.

Therefore, the value of Discriminate is greater than 5.