math,help
posted by Jasmine20 .
okay
Directions: find the following squares.
Problem:
((w)(1)/(4))^2
I have no idea how to even start.
First, FOIL the numerator and then square the denominator. Let me know what you get.
(1w^2)/(4w^2)
is this what you mean?
No :) Your numerator is w1. Your denominator is 4. You want to square both. To square (w1) you have to FOIL it. FOIL stands for First, Outer, Inner, Last. So, set it up like this:
(w1)(w1)
After doing that you know that 4 squared is 16 so your answer will be whatever you got when you squared (w1) over 16. Let me know what you get now.
so by having (w1)(w1)
it would be:
1w1w1w+1
so then i have to combine like terms
(1w+1)/(16)
No again, sorry. When you are multiplying two binomials, FOILing involves multiplying.
In (w1)(w1), the two w's are First. The Outer numbers are the very first w and the last 1. The Inner numbers are the two numbers in the center of everything; the first 1 and the second w. The Last numbers are the numbers at the end of the parentheses, so 1 and 1.
The F is for First. So, you multiply the first two terms in each set of parentheses, so here, you multiply w times w. Now you have w^2.
Then, multiply the O, or Outer. So, multiply w times 1 to get w. So far we have w^2w.
Then, do the I, or Inner. Multiply the inner 1 by the inner w, so you get w. So far, we have w^2ww. The two liketerms, the w's can be combined so we now have w^22w.
Lastly, do the L, or Last. Multiply the 1 by the 1 to get +1. So, finally, our numerator is w^22w+1. And our denominator is 16. Do you get it or should I try to explain it differently?
I don't get it what 2 i'm getting confused is there another way of understanding this if its not a problem for you. i am very dumb when it comes to comprehending math.
oops i see what i you mean now....
so it would be:
(w^2w+1)/(16)
and nothing can be done beyond this.
yes
It's gotta be (w^22w+1)/16, make sure you have the 2!
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