Question

determine tbe nature of the roots of quadratic equation x²-5x-7=0​

Answer 1

Answer:

Real and unequal(irrational)

Step-by-step explanation:

Nature of roots of any quadratic equation is determined by the value under root or discriminant of that equation.

Discriminant of ax² + bx + c = 0 is b²- 4ac.  On comparing:

a = 1,   b = -5,   c = - 7

∴ discriminant = (-5)² - 4(1)(-7)

                        = 25 + 28

                        = 53

As the discriminant > 0, roots are real and irrational(and different).

Answer 2

Answer:

Real and unequal ( irrational)

Step-by-step explanation:

hope it is help you✍️✍️