<span>The vertex form of a quadratic is given by. y = a(x – h)2 + k, where (h, k) is the vertex. The "a" in the vertex form is the same "a" as. in y = ax2 + bx + c (that is, both a's have exactly the same value). The sign on "a" tells you whether the quadratic opens up or opens down.</span><span>
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Answer:

Step-by-step explanation:
Simplify:


Group same factor:

Add :

Apply the distributive law: -(a+b) = -a - b


Group same factor:

Subtract:

Add:

Group same factor:

Hence answer = 
<u><em>~lenvy~</em></u>
Answer:
Bag 3!
Step-by-step explanation:
Answer:
f=25
Step-by-step explanation:
24+1=25
25-1=24
The reciprocal of 3/5 is 5/3.
To get the reciprocal of a fraction, just turn it upside down.
A fraction has a numerator, top number, and a denominator, bottom number.
To get the reciprocal of a fraction, just swap over the numerator and denominator.
If whole numbers, to get the reciprocal of whole number, just divide the whole number by 1 to make it into a fraction, then get the reciprocal of that fraction.