50,805 results

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...

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) * ...

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!!!

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...

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...

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 didn't know if i could just cancel? thanks.

Algebra 1

College Algebra

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.

math,correction

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

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 ...

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 ...

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 ...

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...

algebra

algebra
What s radical 20 is written in simplest radical for, the result is k radical 5. What is the value of k?

algebra

math

Algebra II

Math

Algebra 8th

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 ...

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.

College Algebra
Write the following as an radical expression. v^(4/5)

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.

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.

College Algebra/pre-calculus
Find the domain (This in fraction form) f(x)=x+3 x^2-4 f(x)= (This is in Radical:2-5x) Any help, thank you!

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...

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 ...

math
Can somebody please help me with this problem? This is the index-„³ 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...

precalculus

math,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...

math,correction

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 = ...

College Algebra
Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice it. Thank you in ...

algebra 2
What is the smallest value of x for which the radical expression (radical sign)2x-10 is a real number

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,

Algebra II
Rationalize the denominator and simplify... radical 44x^2/radical 11 +3 Help would be appreciated :)

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...

algebra
When solving a radical equation, explain why it is important to try and isolate the radical term.

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

trig

Algebra 1

algebra 1
the question is: What is the sum of 5 radical 7 and 3 radical 8? i don't understand how to solve this because i cant pull out a perfect square

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.

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

Algebra
Express the radical in simplied form: The 5th root of 2430 I do not know how to type in the radical sign.

algebra

College Algebra
Give two functions f(x) & g(x) such that (fg)(-1) = 4

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

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 ...

Algebra
How do I do radical 7/10... my answer was 4 radical 3 over 6... is that correct?

algebra

algebra 2

Algebra

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

math,correction plz

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.

History
which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by the radical Republicans...

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...

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

college algebra
given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?

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 ...

math,correction plz

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

algebra

algebra

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)

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?

History "Need Help ASAP"!
14.)Which answer best describes Andrew Johnson's relationship with the Radical Republicans? A.)He founded the Radical Republican movement. B.)He worked with the Radical Republicans to pass important legislation.*** C.)He frequently vetoed legislation presented by the Radical ...

math....

math,correction,plz

college algebra
find functions f anf g so that fog equals H H(x)=ãx^2+17 please show work

ALGEBRA

algebra

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!!!

Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2 (x-1)^2 + (x-1)^2 = c^2...

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

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

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.

Algebra 1

Algebra
How would you explain to a seventh grader the difference between the domains of an odd root radical function and an even root radical function? How would you change your explanation for someone who had taken high school algebra?

algebra

algebra 9

algebra
what is the radical and x=5 on the inside of the radical?

math

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!)

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.

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 ...

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

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).

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.

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!

Math
In math we're doing a review sheet and i don't get any of it so can someone please help!! What is the simplest form of the expression Radical 28 + radical 175 - radical 7

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 ...

college algebra
Find Functions with Given Zeros √2, -√2, 3

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 ...

1. Pages:
2. 1
3. 2
4. 3
5. 4
6. 5
7. 6
8. 7
9. 8
10. 9
11. 10
12. 11
13. 12
14. 13
15. 14
16. 15
17. Next>>

Post a New Question