Answer:
±11.18
Step-by-step explanation:
the function is:

and to find the roots we need to find which values of
makes the function result in zero:

solving for
:

A square root has two solutions, one positive and one negative, so the solutions are:
±
≈ ±11.18
the roots of the quadratic equation are +11.18 and -11.18
Answer:
2
Step-by-step explanation:
Divide by 4 on each side.
4x/4 and 8/4
Now we have just x on one side and 2 on the other.
So, x = 2.
Answer:
Kaely gets 1,680 and Bro gets 1,120
Step-by-step explanation:
First you need to find how may bucks you will receive with 1$
2,800/25
which equals 112
Then multiply 112 by how much Kaely paid and how much Bro paid. Then you have your answer.
The answer is true.
5.4 divided by 0.6 = 9
12.6 divided by 1.4 = 9