Answer:
-4
Step-by-step explanation:
put value of x in equation
Lhs = rhs
It is a solution
Answer:
The discriminant D=0
Step-by-step explanation:
For the duadratic polynomial the discriminant is
In your case, for the polynomial
Answer:
5√2, 5
Step-by-step explanation:
in a 90 45 45 triangle, each leg is the same legnth
the hypotenuse of a 90 45 45 triangle is x√2
x being the measure of the leg