Saturday

September 20, 2014

September 20, 2014

Number of results: 39,554

**Math**

Find the domain of the following functions. 1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x -14) 4. y= [cubed root(x-6)] / [radical(x^2 - x - 30)] I'm terrible at finding domains.. so any help with these problems would be appreciated. & if...
*July 12, 2013 by April*

**math , help,algebra**

i am up to this point in my problem but i don't know what to do next with it can someone show me. Directions: Simplify by combining like terms x radical(18) minus 3radical(8x^2) these are the steps that i've done so far. = x radical (2*9) -3radical (2*4*x^2) = x radical (2) * ...
*March 25, 2007 by jasmine20*

**College Algebra**

I do not know how to rationalize this: 2(-2/radical 77)(77/73)......the answer is -4 radical 77/73 Thank you!!!
*April 20, 2011 by Jazmin*

**Algebra**

I'm adding 2(radical 50) + 12 (radical 8). I began by breaking the radical fifty into two parts: the radical of 25 and the radical of two. The radical of twenty five can break down into five, and the radical of two stays the way it is. Now it should read 2 5 radical of two. Do...
*September 10, 2009 by Eve*

**algebra**

3 radical x - 4 radical y divided by 3 radical x - 2 radical y = ( i think im supposed to use the distributive property, after the conjugate. but didnt know if i could just cancel? thanks.
*March 4, 2009 by whitney*

**college algebra**

In a radical equation if the negative symbol is in front of the radical should I use -1 to factor out the negative power? And if so do I factor across the = doing BOTH sides? Or just the side the radical is on? Thanks anyone, I've been out of school for 12 years so it is a bit...
*January 18, 2012 by Lee*

**Algebra 1**

Am i on the right track? radical of 3 times radical of three= radical of 9? radical of 2x times radical of 2x= radical of 4x^2? radical of 14 times radical of 2= radical of 28?
*January 9, 2012 by Jahnay*

******college algebraradical functions******

Create a rational function such that the graph of has vertical asymptotes at x=5 and x= -7, a hole at x=2 , and a horizontal asymptote at y = 14. By creating a rational function, you are to write rule for this function. There are many correct solutions here.
*October 16, 2011 by Brianna *

**math,correction**

Simplify by combining like terms. Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5) - radical (3) leg 2= radical (5) + radical (3) Hypotenuse= 4 My answer: p...
*March 21, 2007 by jasort20*

**algebra**

solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to grade my teens paper
*August 28, 2014 by Kandy*

**Algebra 2**

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...
*January 31, 2012 by Gavin*

**Algebra 2**

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...
*January 31, 2012 by Gavin*

**Algebra 2 @ Steve**

I have another question regarding functions, but instead if you are adding up functions that are in a radical. f(x) and g(x) are both square root of x+5. To find the domain of f+g, f-g, fg, and f/g, would I find the domain of each function...[-5,infinity)? And then what? How ...
*November 2, 2013 by Serena*

**math,correction**

Can somoene helpme plz... Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7 radical (2) The result is right, you erred on the next to last line. So how do i show that step that i am wrong in...
*March 29, 2007 by jasmine20*

**math**

in the question 6radical x +3 radical y -2radical y +3 radical x -radical y is the answer 9 radical x +1 radical y. i just dont get it thanks
*January 3, 2011 by nick*

**algebra**

(Radical of 5 plus radical of 2)x(radical of 5 subtract radical of 2)
*January 11, 2012 by Anonymous*

**algebra**

What s radical 20 is written in simplest radical for, the result is k radical 5. What is the value of k?
*January 27, 2010 by Anonymous*

**algebra**

by simplifying the expression 5 radical ab * 3 radical a^B^ what is the answer in radical notation?
*November 24, 2012 by madawna*

**Algebra II**

(3 radical 3)^4= 3^4 (radical 3)^4 = 81 radical 81 = 81 *3 radical 3 = 243 radical 3. Did I do this right? Is the answer right?
*October 4, 2010 by Mom of 8*

**Algebra 8th**

How do you multiply and simplify radical 2(radical 8+ radical 5)?
*May 13, 2011 by Suzy*

**Math**

Symplify (radical x/8) is the answer x (radical 2)/4 i put it to be (x/2 radical 2)* (Radical 2/radical 2)=(x radical 2/4)
*November 23, 2009 by Nayla*

**Pre-Calculus**

Radical Functions Graph y=(x-3)(x+2) and y=√(x-3)(x+2). where are the x-intercepts of each function ?why? for the first one, i know that whatever is inside the brackets is opposite, so the x intercepts would be at 3, and -2. but the whole radical thing is it the same ...
*October 2, 2012 by Shreya*

**College Algebra! help!**

Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x-8)/(7-x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.
*May 14, 2013 by Rosie*

**College Algebra**

Write the following as an radical expression. v^(4/5)
*June 8, 2011 by Jessica*

**college algebra**

3y^2+8=0 (3y+2)+(3y-2)=8+0 3y=-8 y=3/8 Radical and Rational Exponent this chapter is hard for me.
*May 25, 2010 by JohnJ*

**trigonometry**

Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3 - i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.
*December 3, 2012 by mikey*

**math, algebra,correction**

I don't know if this is right. directions: Simplify each radical expression. (radical 3+5)(radical 3-3) i think its: radical 3+2 Life would be so much simpler if you would use parenthesis. Did you mean this? (sqrt3 + 5)(sqrt3 -3) ? multiply that out sqrt3*sqrt3 -3sqrt3 +5sqrt3...
*January 26, 2007 by Jasmine20*

**math,algebra,correction**

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = (1)/(4) radical (s) My answer: t = 9.35 (but i don't know how to word it if minutes all or minutes and seconds etc......) Problem #42 ...
*March 21, 2007 by jasort20*

**math**

Can somebody please help me with this problem? This is the index- 5 6^-5 The radical sign did not show, but the problem is: 5 is the index (outside the radical sign and then 6 is squared to the -5th power (inside the radical sign is under the radical sign) when adding and ...
*January 1, 2007 by Larry*

**maht,correction**

Find the area of the rectangle shown in the figure. length = radical (3) + radical (5) width = radical (3) + radical (5) My answer: a= 8 + 2 radical (15) or a = 15.75 agree, you seem to be able to do these should i leave it as the radical form or the decimal form which is more...
*March 21, 2007 by jasort20*

**math,correction**

problem #50 Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. (18+radical (567))/(9) My answer: 2+ radical (7) or 2radical (7) Problem # 52 (-9-radical(108))/(3) My answer: -3-2radical(3) Problem #54 (6-radical (20...
*March 21, 2007 by jasort20*

**math,correction,plz**

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) + radical (5) Length = ...
*March 10, 2007 by jas20*

**algebra 2**

What is the smallest value of x for which the radical expression (radical sign)2x-10 is a real number
*November 25, 2007 by brooke*

**algebra**

Can someone help me to use radical exponents to write x^1/4 * y^1/7 * z^1/2 as a single radical expression? Thanks,
*May 5, 2009 by tubbyboy*

**Algebra II**

Rationalize the denominator and simplify... radical 44x^2/radical 11 +3 Help would be appreciated :)
*December 8, 2011 by Anonymous*

**algebra**

When solving a radical equation, explain why it is important to try and isolate the radical term.
*August 30, 2010 by Ric*

**Algebra 1**

How would i multiply: (4+ radical of 3)(2+ radical of 3) if they are simplified already inside the parenthesis? what do i do now
*January 11, 2012 by Jahnay*

**Geometry **

1.If two different lines are perpendicular to the same plane, they are: a. Collinear b. Coplanar c. Congruent d. Consecutive I think the answer is B, is that correct? Also, this: 2. Express 3 radical 75 plus radical 27 all over3 in radical form. I simplified it to 18 radical 3...
*September 19, 2012 by Squid*

**Algebra 1**

what is the simplest radical form of 3 *with 5 under radical* 4 *7 under radical* 2 *13 under radical*
*May 16, 2011 by Tranese*

**trig**

express the product of radical 90 x radical 40 -radical 8 x radical simplifies to ?
*December 1, 2011 by Anonymous*

**Algebra**

Write a radical for exact length of the diagonal of the 30 by 30 dance floor. simplify the radical. Im not sure how to do this.
*March 31, 2011 by Kylie *

**algebra for Steve**

How would i multiply: (4+ radical of 3)(2+ radical of 3) if they are simplified already inside the parenthesis? what do i do now
*January 11, 2012 by Jahnay*

**Algebra**

Express the radical in simplied form: The 5th root of 2430 I do not know how to type in the radical sign.
*April 18, 2012 by Taurus*

**algebra**

What is 3 radical 250 expressed in simplest radical form ?
*April 27, 2012 by yamileks rodriguez *

**College Algebra**

Give two functions f(x) & g(x) such that (fg)(-1) = 4
*July 25, 2014 by Salas*

**algebra 1**

the question is: What is the sum of 5 radical 7 and 3 radical 8? i dont understand how to solve this because i cant pull out a perfect square
*June 17, 2010 by lauren*

**algebra for Steve**

How would i multiply: (4+ radical of 3092+ radical of 3) if they are simplified already inside the parenthesis? what do i do now
*January 11, 2012 by Jahnay*

**algebra 2**

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = 1/4 radical (s) t=1/4 radical 1400 t= 10 radical 14*1/4 t= 5 radical 14 /2 what are I doing wrong I am suppose to be getting minutes ...
*May 11, 2007 by Tom*

**Algebra**

How do I do radical 7/10... my answer was 4 radical 3 over 6... is that correct?
*May 10, 2009 by Rob*

**algebra**

Simplifying radicals: -12 radical 24 over 3 radical 2?
*January 30, 2010 by Steph*

**algebra 2**

3 radical 4x^2 time s radical 6x^4 times 3radical 9x
*March 21, 2010 by Kristina*

**Algebra **

what is radical 72 expressed in simpilest radical form
*June 1, 2010 by Rikki *

**College Algebra**

verify that the functions of f and g are inverse of each other by showing that f(g(x))=x and g(f(x))=x; f(x)=In(x-1),g(x)=1+e^x
*January 1, 2012 by Jennifer*

**math,correction plz**

can someone correct my math...thanks... Perform the indicated multiplication. Then simplify each radical expression. Problem#4 radical(13) times radical (5) My answer: radical (15) Problem #28 radical (7) (2radical(3)+3radical(7)) MY answer: 2radical(21) + 21 No on first one. ...
*March 10, 2007 by jas20*

**Math-Involing i's**

1)What is the product of 5+ Radical (-36) and 1-Radical (-49) expressed in simplest a+bi Form? 2) Express Radical (-27) + i^22 + 3-Radical (-25) +5 Radical (-3) in simplest a+bi form.
*December 11, 2008 by Joey*

**Radicals math **

Write. Without the radical symbol : 1.) radical 400 2) Radical 16 over 49. 3). Radical 2 over 50.
*November 27, 2012 by Liily*

**College Algebra-Study Material**

I am going to take the CLEP (College Level Examination Program) College Algebra examine. I am trying to decide on what books I should use to prepare for this examine. The following is what is going to be covered in this examine: 25% Algebraic operations Factoring and expanding...
*November 28, 2008 by G*

**College Algebra**

what is the domain of each of the following functions,their intercepts and thier range? f(x)=x+3 and f(x)=-2x-3 if x<-2 and x>=-2
*December 20, 2011 by Sara*

**college algebra**

given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?
*February 23, 2012 by missy*

**math, correction,plz**

can someone correct these for me plz.... Problem#36 Use Property 2 to simplify each of the following radical expressions. Radical (10)/(49) My answer: (radical(2 times 5))/(7) Use the properties for radicals to simplify each of the following expressions. Assume that all ...
*March 10, 2007 by jas20*

**algebra**

3 radical 256x9y7 - 3 radical 32x12y4 is what?
*November 24, 2012 by madawna*

**algebra**

5 radical 5 and 9 radical 5 ____like radicals. a. are b. are not
*February 15, 2013 by student*

**math,correction plz**

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #50 (18+radical(567))/(9) my answer: 2+radical(7) Problem # 52 (-9-radical (108))/(3) My answer: -3-2radical (3) yes on both.
*March 10, 2007 by jas20*

**Math**

1) Solve for x and check Radical (x^2-10x)=3i 2) Simplify (5+ Radical 2)/(5-Radical 2) 3)describe the nature of the roots x^2-x-6=0 x^2+4x+29=0 4) Solve for x and check Radical (x^2 +4x +44) +3=2x I got 7 and -5/3 as answers, was not sure though
*December 11, 2008 by JP*

**College Algebra**

Verify the function f and g, are inverses of each other by showing that f(g(x))=x and g(f(x))=x Graph the functions. f(x)=6/(1-x) g(x)=(1-6/x)
*January 3, 2012 by JB*

**college algebra**

, for this problem f(x)=3x^2-6x-7,what is the minimum value and where do it occurs, and what is this functions domain and range?
*January 17, 2012 by mary*

**Algebra 2/ Radicals**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
*January 26, 2010 by Please HELP*

**college algebra**

find functions f anf g so that fog equals H H(x)=x^2+17 please show work
*November 30, 2012 by confused*

**math,correction,plz**

can someone correct these for me plz. Simplify by combining like terms. Problem#32 radical(63) minus 2radical(28) plus 5radical(7) My answer: 4radical(7) Find the perimeter of the triangle shown in the figure. leg...1 = radical (5) + radical (3) leg...2=radical (5) - radical (...
*March 10, 2007 by jas20*

**ALGEBRA**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
*March 14, 2010 by GGIFT*

**algebra**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
*July 26, 2010 by Roselyn*

**Algebra**

I am trying to simplify 24a^2/b^4 (the entire expression has a radical sign around it). I got 4a times the radical of 6a/b^4. However, my teacher said this isn't correct on my quiz. Why, and what is the right answer? Thanks!!!
*September 22, 2009 by Amelie*

**Algebra**

Solving radical Equations Using \/ for radical sign 6-4\/y=-11 Book says answer is 25. I do not get this answer and I am not sure what I am doing wrong.
*June 6, 2008 by G*

**Trig**

Given sin θ = −1/2 and sec θ > 0, find the exact value of tan 2θ. Radical 3 Radical 3/2 Negative radical 3 Negative radical 3/2
*May 3, 2014 by Kiki*

**math**

the expression 6 times radical 20 divided by 3 times radical 5 is equvilent to 1. 3 radical 15 2. 2 radical 15 3. 8 4. 4
*October 19, 2011 by lex*

**Algebra 1**

Please help me find the answer to this problem. it would be nice to have the details to how you came by the answer: Radical of 3/4 + radical of 1/3 your help is greatly appreciated
*January 6, 2012 by HELP*

**algebra**

can someone help me with this? radical 7v-4=radical 5v+10
*April 29, 2008 by asia*

**algebra 9**

the sum of radical 5 and radical 45 is?
*January 7, 2010 by Lauren *

**algebra**

what is the radical and x=5 on the inside of the radical?
*April 26, 2011 by irene*

**ALGEBRA**

Why is it impossible to combine the expression radical 3x + 3^ radical 3x into a single term? Explain. (I'm having a real tough time with this one, can anyone here explain this to me? Thank you!)
*November 4, 2013 by College Student*

**Algebra**

I'm not sure how to write a radical sign on the computer but the problem is y+3-4=5 inside a radical sign.
*April 1, 2014 by Pam*

**math**

(Radical 15- radical 5) (radical 15 + radical 5) and radical (-20) squared /2
*October 2, 2013 by deedeee*

**Algebra**

Use composition of functions to show that the functions f(x) = 5x + 7 and g(x)= 1/5x-7/5 are inverse functions. That is, carefully show that (fog)(x)= x and (gof)(x)= x.
*July 29, 2009 by Alicia*

**statistics**

At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it reasonable to approximate ...
*March 23, 2012 by lola*

**geometry**

abcd is a rectangle such that ab=-3 radical sign 48+2 radical sign 75+4radical sign108 and Bc=4 radical sign 27 +radical sign 300 prove that abcd is a square
*June 29, 2011 by omar*

**Algebra**

3 (in the nook) of the radical of 8 raised to the second power according to my book equals 2^2 which equals for. But how and why does this equal 2^2? Can you explain the process please? I don't get how that radical equals four! Thanks for your help!
*September 11, 2009 by Eve*

**Math**

In math we're doing a review sheet and i dont get any of it so can someone please help!! What is the simplest form of the expression Radical 28 + radical 175 - radical 7
*May 30, 2013 by Alyssa*

**College Algebra**

The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t(2) if you dive from a height of 128 feet, how long will it take to hit the water? (answer may be in simplified radical form).
*February 8, 2013 by Anonymous please help! :) *

**Algebra**

Graph and label the following two functions: f(x)=(x^2+7x+12)/(x+4) g(x)=(-x^2+3x+9)/(x-1) 1. Describe the domain and range for each of these functions. 2. Determine the equation(s) of any asymptotes found in the graphs of these functions, showing all work. 3. Discuss the ...
*May 2, 2011 by Debra*

**algebra**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify. Consider participating in the ...
*October 26, 2008 by pat*

**radical equation - no solution right?**

radical sign (w + 5) = 2 In all my problems there are a letter variable on the end example: radical sign (-u + 30) = u I then square both sides, drop the radical sign then (u+6)(u-5)=0 then check to see if they are both true I guess my question is this is a no solution problem...
*October 11, 2007 by Nik H.*

**algebra functions**

construct two composite functions, Evaluate each composite function for x=2. i do not fully understand functions yet can someone explain and show me what to do step by step f(x)=x+1 g(x)=x-2
*October 16, 2013 by tani*

**algebra**

Is this a true statement? Polynomials and radical expressions differ because radical expressions contain rational numbers as exponents and polynomials do not.
*July 8, 2008 by C*

**algebra**

How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
*September 17, 2008 by Anonymous*

**Alg 1**

Simplifying Radicals A gardener is mowing a 20-yd-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the cxorner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. My answer ...
*April 2, 2013 by Jane*

**Algebra 2**

Ok so I'm suppose to do this Square root of 6 ___________________ Square root of 2 I know when you divide a radical over radical and they have the same what ever it's called (the same number outside of the radical that determines if it's cube root squared root etc.) you can ...
*February 8, 2009 by HELP!!!!!!!!!!!*

**math,help**

can someone help me plz...last problem simplify (7 + radical (5))(7- radical (5)) for this one i have no idea (a+b)*(a-b)= a^2 - b^2 memorize that, it is the factors of the difference of squares. In this case, a=7, b= sqrt5 so, it simplifies to 49-5=44 So , i don't always have...
*March 29, 2007 by jasmine20*

**algebra**

How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression as an example.
*February 17, 2008 by becky*

**exponential and radical functions**

write a compound interest function. then find the balance. $4000 invested at a rate of 4% compounded quarterly; 3 years
*October 19, 2011 by Anonymous*

**Algebra 1**

-2 - radical bar 5 over radical bar 10 simplify
*September 24, 2012 by Chris*

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