Tutors Answer Your Questions about Radicals (FREE)
Question 135770: I would appreciate some help on these adding radical problems,but of course I don't have the square root sign on the computer, so I'll try to explain the best way I can.Thank you for your patients in advance.
1)3 then square root sign 45 + 7 then square root sign 20
2)3 then cubed in the square sign then 16 under the square sign + cubed then 54 under the square root sign.
I hope I explained these two questions where someone could understand them.
Thanks again LH
Click here to see answer by stanbon(75887)  |
Question 135772: Could someone please help me with a couple of radicals?
1) square root then under the sign it has 4x square root + 8x + 4
2)square root 15 then square root 21 (side by side) I know the answer is cubed square root 35, but I'm not sure how to work the problem.
Thanks for your help in advance,and have a great day! LH
Click here to see answer by stanbon(75887) |
Question 135825: hey i am taking algebra 1b this semester and i am having trouble understanding my homework. at the top of my worksheet it says simplifying radical expressions.
all my problems are fractions. i do not have a square root button so i'll try my best to explain one of the problems by typing "square root sign" since i have no square root sign. thankyou for your support and if this is to hard to understand without the square root button i understand.
"square root sign"75/"square root sign"3
this is a fraction of 75/3 with the square root sign over each number.
Click here to see answer by josmiceli(19441)  |
Question 135825: hey i am taking algebra 1b this semester and i am having trouble understanding my homework. at the top of my worksheet it says simplifying radical expressions.
all my problems are fractions. i do not have a square root button so i'll try my best to explain one of the problems by typing "square root sign" since i have no square root sign. thankyou for your support and if this is to hard to understand without the square root button i understand.
"square root sign"75/"square root sign"3
this is a fraction of 75/3 with the square root sign over each number.
Click here to see answer by solver91311(24713)  |
Question 136087: I've tried these but not sure if they're right-Help!
1. 3sqrt13*5sqrt27 =45sqrt39
2.sqrt36 - 2sqrt9=0
3.5sqrt10 - 2sqrt5=50sqrt2
4.4sqrt15 + 7sqrt15 =11sqrt15
5.sqrt168=2sqrt42
6.15/5sqrt28 =3sqrt7/14
someone please check these and if not correct help me!!
Click here to see answer by vleith(2983) |
Question 136352: Please help, I am not sure if what I got for this solution correct. I got a=3 b=0 c=5. It asks to: express irrational solutions in simplest form. If it has no solution, write no solution.
3n^2-75=0
Please help me, Thank You=)
Click here to see answer by vleith(2983) |
Question 136730: May I have this answer checked as well? I am not feeling confident within my factoring...
x2-9x+20 ÷ x2-16
-------- -------
3x-15 9x+36
=
x2-9x+20 * 9x+36
-------- -----
3x-15 x2-16
=( x2-9x+20)( 9x+36)
------------------
(3x-15)( x2-16)
=(x-5)(x-4)9(x+4)
---------------
3(x-5)(x+4)(x-4)
=9/3
=3
Please tell me I did this one right? Thank you so much for all of your assistance with all of these problems.
Click here to see answer by solver91311(24713) |
Question 136728: Could This problem be checked for me?
2x2-12x+18
-----------
2x2-18
=2(x2-6x+9)
---------
2(x2-9)
= 2(x-3)(x-3)
------------
2(x-3)(x-3)
=1
Is this answer correct in how I figured it out? Thank you for the help!
Click here to see answer by stanbon(75887) |
Question 136727: Could someone help with this radical? I am having troubles understanding how to do this?
(√{6}+2√{2})(4√{6}-3√{2})
Could you help me step by step on this?
The other one that seems a little easier that I can not figure is
√{81}x12y8z10}
I know that the √ of 81 is 9 but how do I figure out the exponents?
Click here to see answer by stanbon(75887) |
Question 136727: Could someone help with this radical? I am having troubles understanding how to do this?
(√{6}+2√{2})(4√{6}-3√{2})
Could you help me step by step on this?
The other one that seems a little easier that I can not figure is
√{81}x12y8z10}
I know that the √ of 81 is 9 but how do I figure out the exponents?
Click here to see answer by solver91311(24713) |
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