Question

I WILL GIVE BRAINLYEST FOR THE ANSWER TO THIS QUESTION PLS​

Answer 1

To have exactly one solution, the quadratic equation y=x^2+bx+5 must have a discriminant of zero. The discriminant is b^2-4ac, where a=1, b=b, and c=5.

Therefore, b^2-4ac = b^2 - 4(1)(5) = b^2 - 20 = 0.

Solving for b, we get:

b^2 = 20

b = ±√20

Since b>0, we have:

b = √20

b ≈ 4.47