ANSWER
When
is written in the form
, it looks like 
EXPLANATION
To write
in the form
, we have to complete the squares.
We add and subtract half the coefficient of
square.

The first three terms of the function is now a perfect square.

We now simplify rto obtain,

Answer:
The system of equations is:
x + y = 15
xy = 15
Step-by-step explanation:
solve the first for y and substitute in the second:
y = 15-x
x(15-x) = 15
15x - x� = 15
15x - x� - 15 = 0
-x� + 15x - 15 = 0
x� - 15x + 15 = 0
<span>A flat surface of a solid figure is called a "face".
Your answer is <em>face.
</em>
</span>
Answer:
690
Step-by-step explanation:
Round from the tens place.
Answer:
Angle 4=82 degrees, then i think angle 1 and 3= 98 degrees
Step-by-step explanation:
Angle 2=Angle 4 and 180-82=98