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March 1, 2015

Search: The equation of the tangent line to f(x) = \sqrt{x} at x = 49 is y =

Number of results: 34,951

Calculus
Find the slope of the tangent line to the curve 2(x^2 + y^2)^2 = 25(x^2 - y^2) at the point (3,1). Thank you very much for your help.
November 5, 2011 by Jake UCD 11/5/11

Calculus
Find the positive value of x where fx=x3+2x1/3 has a horizontal tangent line. Answer =
February 10, 2012 by TG

MATH
Find the slope of the tangent line to the graph of the function at the given point. g(x) = 7/2x + 9, (-2, 2)
February 13, 2012 by Anonymous

MATH
Find the slope of the tangent line to the graph of the function at the given point. g(x) = 7/2x + 9, (-2, 2)
February 13, 2012 by Anonymous

Math
Find the points at which the relation 3x^2-2xy+y^2=24 has a vertical or horizontal tangent line.
April 2, 2012 by Mary

trig
find the values of x between 0 and 2 pi where the tangent line to the graph of y = sinxcosx is horizontal
May 13, 2012 by Jom

calculus
what is the slope of the tangent line passing through the point (2,3) of the graph of this function? f(x)=x^2+2x-5 A 1 B 2 C 3 D 4 E 6
November 26, 2012 by Disha

maths
Find parametric equations of the line that is tangent to the parabola y = x^2 at the point (−2, 4).
December 11, 2012 by ramesh

Calculus
Use a tangent line approximation at x=0 to estimate the value of sin(-0.1). I got 0.1
March 26, 2014 by Anonymous

Calculas
find the tangent line of the following function Y=2sinx + sinx^2 at the points Pi/6,5/4
October 26, 2014 by Bashar

Math
The quantity sqrt(45)- 2sqrt(5) +sqrt(360/2) can be expressed as sqrt(N), where N is an integer. Find N. * the whole fraction 360/2 is squarerooted.
December 5, 2014 by Matt

algebra
write the equation of a line parallel to the given line but passing through the given point y=x+4;(-7,1) discuss the steps necessary to carry out each activity. describe what each line looks like in relation to the original given line
February 5, 2013 by Anonymous

Algebra 2 ..
Solve the equation by completing the square. x^2-2=9x My answer: x=9/2+or- the sqrt. of 22.25 (but when I checked my answer the actual answer was x=9+or - the sqrt. of 89 and then all over 2) Please explain why my answer is different from the actual answer.
December 25, 2012 by Anonymous

Algebra 2 ..
Solve the equation by completing the square. 3x^2+4x=1 My answer: x=-2+or- sqrt. of 39 all over 3. When I checked my answer how come it was x=-2+or-sqrt. of 7 all over 3?
December 25, 2012 by Anonymous

calculus
Find the length of the arc formed by y = (1/8)(4x^2-2ln(x)) from x=4 to x=8. I found the derivative of the function and got y'= x-(1/4x) Where I'm lost now is after plugging it into the arc length equation: integral of sqrt(1+(x-(1/4x))^2). Squaring the derivative yields me ...
August 24, 2008 by Arc Length

Calculus (Please check my work!)
Suppose that y = f(x) = x^2 - 4x + 4. Then on any interval where the inverse function y = f-1(x) exists, thederivative of y = f-1(x) with respect to x is: (Hint: x^2 - 4x + 4 can be factored and rewritten as "something" squared.) Work thus far: Okay, so I know that I can ...
March 15, 2012 by Anonymous

math
1. The equation, in general form, of the line that passes through the point (3,4) and is perpendicular to the line 5 x + 5 y + 9 = 0 is Ax + By + C = 0, where a=? b=? c=? 2.The equation of the line that goes through the points ( -9 ,-6 ) and ( -6 ,-3 ) can be written in ...
August 30, 2009 by Allie

algebra solving log equations
n sqrt(x-8)= 5 I would like help to solve this what i did was to take away the square root i squared both sides coming up with (ln sqrt(x-8))^2= (5)^2 ln(x-8)=25 am i alowed to do this with ln in the equation? then i subtract 8 from both sides ln x = 17 e^(ln x)= e^17 e ...
October 30, 2013 by Marcos

math
thanks for the help but i was wondering (16 square root of x-3) times(square root of x-1) is equal to 16x-19 square root of x then plus 3 No, it is not. 16 (sqrt (x-3) ) (sqrt (x-1)) if that is your problem. It is hard to determine from your text. Use parenthesis please. 16 (...
January 11, 2007 by jon

Physics
suppose that the separation between speakers A and B is 5.80 m and the speakers are vibrating in phase. They are playing identical 135 Hz tones, and the speed of sound is 343 m/s. What is the largest possible distance between speaker B and the observer at C, such that he ...
May 1, 2007 by Mary

calculus BC slope
consider the curve in xy-plane by x=e^t and y=te^(-t) for t is greater or equal to o. the slope of the line tangent to the curve at the point where x=3. all the answer choices are decimal points. a is 20.086, b is .342, c is -.005, d is -.011 and e is -.033 so what i did is ...
April 22, 2007 by Anonymous

math,correction
Can someone help me with these...plz Simplify 2radical (12) + 4 radical (27) if i simplify radical (12) i get 2radical (3) then if i simplify radical (27) i get 3radical (3). so now i don't know if i'm doing this correctly or how to set it up... 2 sqrt 12 + 4 sqrt 27 4 sqrt 3...
March 29, 2007 by jasmine20

Calculus
integral 0 to sqrt(3) dx/sqrt(4-x^2) I don't understand why the answer is pi/6. I get pi/3. Thanks for the help! Work: u=x/2 du=1/2dx 2du=dx 2/2sqrt(1-u^2) sin^-1(x/2) sin^-1(sqrt(3)/2)= pi/3
June 4, 2008 by Anonymous

Algebra 2
Simplify each expression. 1+sqrt(3) ______________ sqrt(3)-sqrt(2) *this is a division radical expression please show work!!
February 7, 2015 by Alex

math
Line through (0,b) and (10,-5) is perpendicular to the line through (a,0) and (-6,-3). If all ordered pairs (a,b) which make the first sentence of this problem true are graphed, they all lie on a line. Find the equation of this line.
September 17, 2014 by Sam

Calculus I
Find the point on the curve y=x^2 closest to point (0,1) Here's what I have: Sqrt {(x-0)^2 + ((x^2)-1)} Sqrt {((x^2) + (x^2)-1} d= sqrt (x^4)-1 y= (x^4)-1 Fprime(x) = 4x^3 Domain = ARN Critical Number x= 0 Any help or comments would help alot. Thanks!
November 2, 2007 by Mandy

math
A graph is given with the line going from (-2, 2) to (2,8). a) Find the length of this line. b) Find the midpoint of the line. c) write an equation for this line. my answers- a) 2√10 b) 0,5 c) y = 1.5x + 5 please check these answers.
May 31, 2013 by Anonymous

Algebra II
1) Write an equation of the line that passes through (9,6) and is perpendicular to the line whose equation is y=-1/3x+7. Answer: y=3x-21 2)Find x in the solution of the system 3x+y=2 ans 2x-3y=16 Answer:2
April 6, 2008 by Lucy

math
Please help me solve this problem... thanks! 1.Find the equation of the line that cntains the pont (5, -1) and has slope -1/2 2.find the equation of the line that passes through the points (-2,1) and (1,-5)
October 26, 2009 by jojo

college alg
find the equation of a line that is parallel to the line x=6 and contains the point (-8,9) please show work, it also wants me to show the answer in an equation
September 4, 2012 by alli

Algebra
What is the equation of the line that has a y-intercept of 5 and is parallel to the line represented by the equation below? 2x - y = 16 A. y = 2x + 5 B. y = -2x + 5 C. y = 1/2x - 5 D. y = -1/2x - 5 I guessed B for this one, but another choice of mine was A. I'm not sure which ...
November 10, 2013 by ENGINE

Algebra
Write the equation of the line L satisfying the given geometric conditions. L has y-intercept (0,2) and is perpendicular to the line with equation 2x-3y=6 Show work I will be happy to critique your work on this. 3x+2y=4?
May 20, 2007 by Linda

Math
Give the equation of a line perpendicular to the line y = -8x + 8 having the y-intercept 2 units below the y-intercept of the given equation. At what point the two equations cross each other?
January 9, 2010 by Anna

math
Give the equation of a line perpendicular to the line y = -8x + 8 having the y-intercept 2 units below the y-intercept of the given equation. At what point the two equations cross each other?
February 28, 2010 by Jillian

Advanced math-ck answer, please
Write the standard form of the equation of the line that passes through (-3,7) and is perpendicular to the line with the equation y=3x-5. Answer: 3x+y=16 Thanks
June 22, 2008 by Lucy

Analytic Geometry
write the equation of a line through (4,1) and: A. parallel B. perpendicular to the line through (7,3) and (5,-1). =Express the equation in 5 different forms. please help!!
January 14, 2011 by Anal-G

Algebra
Find an equation of the line having the given slope and containing the given point. Express your answer in the form y=b or y=mx+b M=0, (0,-5) The equation of the line is y=
February 11, 2014 by Pam

Trig(3 all with work)
1)Find the exact value of cos 105 by using a half-angle formula. A)sqrt 2 - sqrt 3 /2 B)-sqrt 2 - sqrt 3 /2 C)-sqrt 2 + sqrt 3 /2 D)sqrt 2 + sqrt 3 /2 cos 105 cos 105 = cos 210/2 sqrt 1 + 210/2 sqrt 1 + sqrt 3/2 /2 sqrt 2 + sqrt 3/2 which is D 2)Find the solution of sin2 theta...
February 15, 2008 by Jon

maths
Find the largest possible value of sqrt[(x-20)(y-x)] + sqrt[(140-y)(20-x)] + sqrt[(x-y)(y-140)] if -40<=x<=100 and -20<=y<=200
March 12, 2013 by John

Calculus
I am doing the AP calculus review, these are the questions I have no Idea on how to do: 1. if 0<= k <=pi/2 and the area under the curve y-cosx from x=k to x=pi/2 is 0.2, then k= 2. let F(x) be an antiderivative of (ln x)^4/x If F(1)=0, then F(9)= 3. What is the equation ...
December 11, 2006 by alamgir

calculus
Use implicit differentiation to find the slope of the tangent line to the curve (y/x+8y)=x^8 +9 at the point (1,10/-79).
October 29, 2009 by Jenny

Calculus
Find those values of x at which the tangent line is horizontal to the curve y=xsqrt2-2cosx
July 1, 2010 by Eileen

Calculus
Find the x-coordinates of all points on the graph of y = x^3 - 4x^2 + 5x at which the tangent line is parallel to 2y - 10x - 7 = 0
November 16, 2010 by Drew

CAL
use implicit differentiation to find the slope of the tangent line to the curve (y)/(x-7y)=x^6+5 at the point (1,6/43)
July 9, 2011 by Lan

math
use implicit differentiation to find the slope of the tangent line to the curve (y)/(x-7y)=x^6+5 at the point (1,6/43)
July 10, 2011 by lan

calculus
y sin 12x = x cos 2y, (pi/2, pi/4) Find the tangent line to the curve at the given point. y=???
October 9, 2011 by John

Calculus
Use implicit differentiation to find the slope of the tangent line to the curve 2(x^2) + 2xy + 2(y^3)= -18
October 28, 2011 by DJ

Calculus
(y/(x+9y))= (x^2)-7 at the point (1, -6/55) Use implicit differentiation to find the slope of the tangent line to the curve
October 28, 2011 by DJ

Calc
how do you find which points a tangent line is horizontal/vertical for decartes folium x^3+y^3=3xy?
December 8, 2011 by Anonymous

MATH
Find the slope of the tangent line to the graph of the function at the given point. g(x) = 17 − x^2; (3, 8)
February 13, 2012 by Anonymous

Calculus
Find all the points (x,y) on the graph of f(x)=9x^2-36x+35 where the slope of the tangent line is zero.
February 20, 2012 by Jaleela

Calculus
I could really use the help on this as soon as possible. what is the slope of the line tangent to the curve (/x)^2 at point (4,16)
February 24, 2012 by Jesse Stone

Calculus ap
Use implicit differentiation to find the slope of the tangent line to the curve XY^3 + XY = 5 at the point (3,2) .
March 2, 2012 by lily

Survey of Calculus
For the function below, find the slope of the tangent line at x=2 (5x^(4)+4)/(-2x^(3)+7) Can someone explain how to do this?
February 24, 2013 by Matt

Applied Calculus
Let f(x) = x3 − 4x2. Find the point(s) on the graph of f where the tangent line is horizontal.
March 1, 2013 by Jacob

Math
Use implicit differentiation to find the slope of the tangent line to the curve y/( x + 4 y) = x^4 – 4 at the point (1,-3/13)
March 14, 2013 by Melissa

Math
Use implicit differentiation to find the slope of the tangent line to the curve y/( x + 4 y) = x^4 – 4 at the point (1,-3/13)
March 14, 2013 by Melissa

calculus
find a point on the curve x^3 + y^3 =2xy other than the origin at which tangent line is horizontal
June 16, 2013 by susan

AP Calc. AB
let f be the function given by f(x)=-2e^x^3. F0r what value of x is the slope of the line tangent to the graph of f at (x,f(x)) equal to -6
January 7, 2015 by Rachel

Algebra - Functions
Find the domain: a) [sqrt(x+3)]+[5x^2-180] b) [sqrt(x+3)]/[5x^2-180] c) (8x+9)(9x+8) d) (8x+9)/(9x+8) e) [sqrt(x+2)](5x^2-245) f) [sqrt(x+2)]/(5x^2-245)
February 28, 2014 by Gregory

Geometry
Hi, For one part of my problem I have had to find the equation of a straight line that passes through two points, I have done this but now i need to determine whether a new point lies on this line by using the equation from the first part, how would I do this please. The ...
May 20, 2010 by Rich

Reading
Which line in the poem contains an example of onomatopoeia? A. Line 6 B. Line 7 C. Line 14 D. Line 15 Line 6: and you'll forget all about that broccoli you chop Line 7: Rock candy looks like beautiful glass Line 14: but spinach tastes all gritty and sandy Line 15: Taffy is ...
November 14, 2011 by Bob

READING
Which line in the poem contains an example of onomatopoeia? A. Line 6 B. Line 7 C. Line 14 D. Line 15 Line 6: and you'll forget all about that broccoli you chop Line 7: Rock candy looks like beautiful glass Line 14: but spinach tastes all gritty and sandy Line 15: Taffy is ...
November 14, 2011 by Bob

Math (Equation of a circle)
Find an equation of the circle with its center at (3,2) that is tangent to the positive x-axis.
September 20, 2014 by Pao

math
sqrt of u- sqrt of v over sqrt of u+sqrt of v
March 18, 2008 by Lilbean

algebra
simplify: sqrt (2)/7 a) sqrt (14) / 7 b) sqrt (7) C) 2 d) sqrt (2)
June 18, 2010 by ami

algebra
simplify: sqrt 2/7 a) sqrt (7) b) 2 c) sqrt (2) d) sqrt (14) / 7
June 21, 2010 by sean

algebra
simplify: sqrt 4/5 a) 2 sqrt (5) b) 2 c) 2 sqrt (5) / 5 d) sqrt (5)
June 22, 2010 by ant

algebra
simplify; sqrt (6) / 11 a) 6 sqrt (11) /11 b) 6 c) 6 sqrt (11) d) sqrt (66) / 11
June 23, 2010 by ant

algebra
simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 sqrt (11) d) 6
June 24, 2010 by kiddo

algerba
simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 d) 6 sqrt (11)
June 24, 2010 by anthony

alg
simplify: sqrt (6/11) a) sqrt (66/11) b) 6 c) 6 sqrt (11/11) d)6 sqrt (11)
June 26, 2010 by anthony

ALgebra 1
4. Write the equation of a line whose slope is 6 and whose y intercept is -3. The answer would be y=6x-3 This is the y-intercept formula (y=mx+b) where m is the slope and b is the y-intercept. Thanx What about this one?Can you plz help? 6. What happens to the graph of the line...
October 26, 2006 by Mary

Algebra
Write the equation of the line passing through (3,10) and (3,-3) Notice the line is vertical. Equation is x= constant. You figure what the constant is.
May 20, 2007 by Linda

algebra
Find an equation of the line having the given slope and containg the given point m=8/9,(4,-7) The equation of the line is y=? Please help me with this. Thanks
November 28, 2009 by muff

Geometry
Write an equation of the straight line whose slope is 2 and whose y-intercept is the same as that of the line represented by the equation y=4x-2. What is it ?
June 8, 2010 by Michelle

mathematics
The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
March 21, 2013 by Jossie

math
4 sqrt(3) minus sqrt(64) plus 6 sqrt(27)
May 27, 2008 by jaydee

algebra
simplify: sqrt (90) a) 30 b) 3 sqrt (10) c) 10 srt (3) d) 9 sqrt (3)
June 22, 2010 by sean

math
simplify: sqrt 18/50 Would it be sqrt 18 / sqrt 50
July 4, 2010 by Hannah

Math: Factoring
3(1+x)sqrt 1/3 -x(1-x)sqrt -2/3 -------------------------------- (1+x) sqrt 2/3 please help
September 15, 2011 by Ashley

math
Simplify each of the following: 1. 16*(2^x)+2 2. 3[sqrt(x^1/4)*sqrt(x)/5*sqrt(x^2)] 3. ab^(2x+y)/a^x b^x
May 28, 2012 by noel

Math
Write the equation of the line in standard form: (-3, 6); m = 1/2 (1, 0) & (-5, 3) Write the equation of the line perpendicular to 4x – 5y = -10 through the point(2, 3). Write the equation in slope intercept form.
January 8, 2014 by Katie

Precalculus
find the equation of the cubic equation show graph passes through the points (3,0) and (1,4) and is tangent to the axis at the origin??? I honestly cannot figure this out and can you explain the graph to me too?
October 23, 2012 by Sam

math
Find an equation of a line that is parrellel to the line of each equation: y=2x-7 y=-4x+5 y=x-3
April 25, 2008 by Marianna

calculus
First I would find the first derivative which is the slope and then would I plug in the given value into the original equation to find y and then use y-y_1=m(x-x_1)? Find the euation of the tangent line at the given value a) y=ln abs(x+4) x = -3 b) y= (x^2 +5)/(x+1) x=1 a) I ...
May 2, 2007 by Tammy

Derivative Calculus
I just need my answers checked. 1) Find the derivative. f(x)=3x^5/4 - 8/9x^9/8 + x^2 - 9x + 1 Answer: f’(x)= 15/4x^1/4 - x ^1/8 + 2x -9 2) Let f(x)= 7x^3 - 9x. Find f’(5) Answer: f’(x)=21x^2-9 f’(5)=516 3) Find the given limit by evaluating the derivative. lim h⇒0 5(7+h...
June 14, 2011 by Steff

Algebra-Please check
1. solve sqrt (11-x) = sqrt(x-7) choices are 6,7,8 or9 I think according to my calcs the answer is (9) The range of f(x) = sqrt(3x-6) - 2 answers would be y<= (-2) y>= (-2) y> (-2) y<=(2) I think the answer is y <= -2, correct I don't get this one at all: Solve...
January 8, 2011 by Erica

math/algebra1a
Write the equation of the line passing through (-3, -5)and (3,0). (a)y= -6/5x - 5/2 (b)y= 5/6x - 5/2 (c)y= 5/6 x + 2/5 (d)y= -6/5x + 2/5 You have to get the slope of the line using equation y2-y1/x2-x1. [0-(-5)]/[3-(-3)] = 5/6 Now that you have the slope, you have to solve for...
May 26, 2007 by Confused

algebra
Which choice is the equation of a line that has a y-intercept of 7 and is parallel to the line represented by this equation? y = 6x− 5 A. y = 6x+ 7 B. y = 6x− 7 the other two answers pertain to perpendicular lines, so i excluded them. i was going to select B, but ...
November 10, 2013 by caduceus

precalc
I;m not sure if i am doing this right...I keep getting a negative intersection point, which doesn't seem possible. Please help! a) find the equatoin of line 1 which passes through (1,3) and (9,7) I get y=3+1/2(x+1)or y=1/2x+2.5 b) the line 2 is perpedicular to line 1 and ...
September 10, 2012 by Anonymous

calculus
integration by parts: 1. e^(sqrt(3x+9)) 2. sin(lr) are the answers: 1. 2e^(sqrt(3x+9))(sqrt(3x+9)-1) + C 2. -r cos(lnr) + sin(lr) + C
May 27, 2007 by cory

math
integration by parts: 1. e^(sqrt(3x+9)) 2. sin(lr) are the answers: 1. 2e^(sqrt(3x+9))(sqrt(3x+9)-1) + C 2. -r cos(lnr) + sin(lr) + C
May 28, 2007 by cory

algebra
Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks
June 23, 2010 by kiddo

algebra
Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks
June 24, 2010 by kiddo

Statistics
σ = sqrt[ P * ( 1 - P ) / n ] = sqrt [(0.8 * 0.2) / 100] = sqrt(0.0016) = 0.04 z = (p - P) / σ = (.73 - .80)/0.04 = -1.75. What type of formula is this problem?
May 4, 2014 by Linda

Calculus
Find the slope of the tangent line to the graph of the function f(x)=x*e^x at x=3 correct to two decimal places.
February 27, 2010 by kay

calculus
If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).
April 11, 2010 by Garrett

maths
Find the x-coordinates of all points on the curve y=2sin-sin^2x at which the tangent line is horizontal.
October 29, 2010 by khela

Calculus
Use implicit differentiation to find the slope of the tangent line to the curve –2x^2–2xy–1y^3=–3 at the point (–1–1).
November 5, 2010 by Trevor

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