Answer:
Given : Expression -
To find : How would the sum of cubes formula be used to factor given expression? Explain the process. Do not write the factorization.
Solution :
The formula of sum of cubes is,

First we convert the given expression in 

Apply exponent rule : 

Rewrite 
Therefore,
could be written as 
On comparison with the formula,
a=xy , b=7

Answer:
(A).
Step-by-step explanation:
-8+3= -5 -8-(-3)= -5
-5= -5
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Answer:
The answer is C. 3x+y=7, 6x+2y=10
Step-by-step explanation:
Answer:
<h2>-11 and 1</h2>
Step-by-step explanation:
Put the values of x to the given expression:
for x = -3:
2(-3) - 5 = -6 - 5 = -11
for x = 3
2(3) - 5 = 6 - 5 = 1
Answer:
Step-by-step explanation:
You need to use vertex form of a quadratic to solve this.
Consider the vertex to be 
Another way of representing a quadratic is in "vertex form":

Now all you have to do is solve for a. You know that the vertex is
and you have know the point of
. Now, all you have to do is plug in these values and solve for a.

Now you know the equation is
, but you need it in quadratic form. All you have to do is solve is distribute the 6:

You get:
a = 6
b = 0
c = 2
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