anonymous
  • anonymous
What are the two integers?...help please? The product is -40 and the sum is -3. Why is this so confusing to me??
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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zepdrix
  • zepdrix
So we have two unknown integers, let's call them \(\large x\) and \(\large y\). Their `product` is -40: \(\large xy=-40\) Their `sum` is -3: \(\large x+y=-3\) Understand how I came up with those two equations?
anonymous
  • anonymous
No - absolutely not.
zepdrix
  • zepdrix
We're labeling two unknown numbers with letters. Their `product`, this means when we multiply the two unknown numbers together, they `equal` -40.

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anonymous
  • anonymous
okay
zepdrix
  • zepdrix
So that gives us an equation, x times y equals -40. Similarly, `their sum is -3`. Sum means, `adding the two unknown numbers together` equals -3.
anonymous
  • anonymous
I have no idea why I can't get this
zepdrix
  • zepdrix
What are you getting stuck on? Are you comfortable with the idea of variables (using letters to represent unknown numbers)? Or is it the word problem part of it that's giving you trouble?
anonymous
  • anonymous
I think it is the wording...I am new to this whole algebra thing - haven't used it in 20+years ahhh
zepdrix
  • zepdrix
Hmm yah it can take a little getting used to. With these word problems, you just need to pay attention to key words. `sum` means you're adding things together. `product` means you're multiplying things together. `is` means equals.
anonymous
  • anonymous
if they are both negative, doesn;t that mean that one is positive?
zepdrix
  • zepdrix
You mean the -40 and -3 would cause one of our numbers to be positive?
anonymous
  • anonymous
yeah. I am trying to study off my text
zepdrix
  • zepdrix
Yes I suppose that's true. \(\large xy=-40\) We can determine that based solely on the product information. If two numbers are being multiplied together and give us a negative answer, one of them has to be positive.
zepdrix
  • zepdrix
This is how I would think about it. Try to break down the first part using the keywords I listed above. So we're starting with 2 unknown values. \(\large x\) and \(\large y\). `product` `is` -40. We would interpret as: `Multiplying x and y` `equals` -40.
anonymous
  • anonymous
-8 and 5
anonymous
  • anonymous
ugh I ahve paper and numbers all over
anonymous
  • anonymous
is that right? -8 and 5?
zepdrix
  • zepdrix
Umm one sec, lemme work it out real quick :)
anonymous
  • anonymous
yeah I think that's it....thanks for your help. It is hard trying to learn this stuff online
zepdrix
  • zepdrix
Yah that sounds right! Good job.
zepdrix
  • zepdrix
Online? Yah I'll bet. :(
anonymous
  • anonymous
thanks again :)

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