anonymous
  • anonymous
Simplify.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1436571087714:dw|
geerky42
  • geerky42
HINT: \(\sqrt{75} = \sqrt{3\cdot25}\)
anonymous
  • anonymous
i dont no what to do with the square root thing

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More answers

anonymous
  • anonymous
Any more ideas?
anonymous
  • anonymous
|dw:1436571478881:dw|
anonymous
  • anonymous
^ That was what geeky was trying to say
anonymous
  • anonymous
|dw:1436571469286:dw|
anonymous
  • anonymous
tha answer i got wasnt one of those
anonymous
  • anonymous
The answer is indeed in one of them. Please work with me not just for the sake of the answer.
anonymous
  • anonymous
What is √25 ?
anonymous
  • anonymous
what the line thing mean tho
anonymous
  • anonymous
√ = Square root...
anonymous
  • anonymous
Do you know what a square root is?
anonymous
  • anonymous
i no what it is i dont no what to do with it
anonymous
  • anonymous
That means you don't know what it is. If you knew what it is, you'd know what to do w/ it.
anonymous
  • anonymous
The square root means what number *squared* will equal the number in the "√"
anonymous
  • anonymous
what i menat was i no what the line means
anonymous
  • anonymous
|dw:1436571742740:dw|
anonymous
  • anonymous
okay but how do you get a answer out of that?
anonymous
  • anonymous
like how do you simplify it
anonymous
  • anonymous
|dw:1436571796728:dw| Sorry but you need to work to your own answer.
anonymous
  • anonymous
im not asking you to give me the answer im asking you to explain
anonymous
  • anonymous
I am explaining ?
anonymous
  • anonymous
yea and now i no what a sguare root is but how do you simplify one
anonymous
  • anonymous
You need to split the imperfect square into two squares so one of them is simplify able.
anonymous
  • anonymous
Look at my above drawings.
anonymous
  • anonymous
@geerky42 Am I explaining okay?
geerky42
  • geerky42
Yeah, I would said the same thing.
anonymous
  • anonymous
spliting it is 37.5
anonymous
  • anonymous
I mean into two different square roots.. not dividing it by 2.
anonymous
  • anonymous
Like a factor tree.
geerky42
  • geerky42
No, by splitting square root, we mean \(\large \sqrt{ab} \quad\Rightarrow\quad\sqrt a\sqrt b\)
geerky42
  • geerky42
Here, we have case of \(a=3\) and \(b=25\)
anonymous
  • anonymous
so \[\sqrt{7} \sqrt{5}\]
geerky42
  • geerky42
\(\large \sqrt{75}=\sqrt{3\cdot25}=\sqrt3\sqrt{25}\)
geerky42
  • geerky42
a and b are variables, not digits.
anonymous
  • anonymous
oh okay
geerky42
  • geerky42
Now we cannot simplify \(\sqrt3\), but we can with \(\sqrt{25}\). What is \(\sqrt{25}\)?
anonymous
  • anonymous
it would be \[\sqrt{5 * 5}\]
geerky42
  • geerky42
Taking square root is opposite of squaring. What number multiplied by itself would get you 25?
geerky42
  • geerky42
Yeah, but you don't have to split any more.
geerky42
  • geerky42
\(25 = 5^2\) So \(\sqrt{25}=~?\)
anonymous
  • anonymous
5?
geerky42
  • geerky42
Correct. So you have \(\large \sqrt{25}\sqrt3 ~~=~~ \boxed{5\sqrt3}\) It makes sense, right?
anonymous
  • anonymous
oh because the 3 is from the first one yea i get that
anonymous
  • anonymous
thank you for the help
anonymous
  • anonymous
^^^ Great job @geerky42 :)
geerky42
  • geerky42
Thanks :)

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