Use the discriminant to determine the nature of the roots of the following equation.

y2 - 5y - 3 = 0

Double root

real and rational root

real and irrational root

non-real root

Question

Mathematics

Isla Ball

11 July, 22:00

Use the discriminant to determine the nature of the roots of the following equation.

y2 - 5y - 3 = 0

Double root

real and rational root

real and irrational root

non-real root

+3

Answers (1)

Know the Answer?

Paityn Hutchinson · Answer 1

Y^2-5y-3=0

In this equation, a=1, b=-5, c=-3

So discriminant d = b^2-4ac

d = (-5) ^2-4 (1) (-3)

d=25+12

d=37

Since d>0 then there exists two different real roots

Use the discriminant to determine the nature of the roots of the following equation.y2 - 5y - 3 = 0Double rootreal and rational rootreal and irrational rootnon-real root

Use the discriminant to determine the nature of the roots of the following equation.

y2 - 5y - 3 = 0

Double root

real and rational root

real and irrational root

non-real root