For this case we have that a quadratic equation is of the form:

The roots are given by:

We have the following equation:

We look for the roots:

We have to:

So:

We have two imaginary roots:

Answer:

4. 19.8
56/4=14
Diagonal of a square is equal to one side multiplied by the square root of two.
Therefore, it is 19.8, being that square root is (in super simple rounding) 1.5.
Answer: b
Step-by-step explanation: cause I know the answer/ i did the quiz
It is given,
rqs,
the reflexive property,
sas