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May 28, 2016

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

Number of results: 39,798

Calculus
If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).
October 18, 2011 by Jake

CALC
Find the tangent line to the ellipse defined by 3x^2 + 5y^2 = 17 at the point (-2, 1).
December 28, 2011 by TIFFANY

calculus
find the slope of the tangent line at the point P(1,1) on the graph of e^x-y=2x^2-y^2
January 17, 2012 by becca

calculus
Let f(x)=(x^2)+x+14. What is the value of f(x) for which the tangent line to the graph of y=f(x) is parallel to the x-axis?
January 26, 2012 by tom

math
find tangent line to the circle x^2 + y^2=100 at point (-6,8)
February 5, 2012 by Declan

Calculus
what is the slope of the line tangent to the curve (/x)^2 at point (4,16) * (/x)= the squareroot of x
February 24, 2012 by Jesse Stone

calculus
find the slope of the tangent line at the point (1,2) for the ellipse 2x^2+3y^2=14 y'(1) = ??
April 13, 2012 by Mhd

Calculus grade 12
find the slope of the tangent line to y^4 = 3x^2 - 2x at the point (1,1)
June 21, 2012 by Albert

calc
Find the slope of the tangent line to the graph y = x-3 at the point (0.5, 8)
December 9, 2012 by Meera

Math (Help please)
Find the points on y=(-x^2+4x-3)^3 that has a horizontal tangent line.
January 16, 2013 by Aa

Maths (Tangents and Normals)
curve y = (x^2) - 4x + 5 is tangent perpendiculat to the (line = 2y + x - 7 = 0)
January 16, 2014 by Sykox

Calculus
Find the slope of the tangent line to the ellipse x^2/4 + y^2/16= 1 at the point (x,y)
March 23, 2014 by Rowhan

Calculus I
For what values of a and b is the line -4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
April 19, 2016 by Anonymous

Physics
A mass m is hanging on a string that passes over a pulley and is then attached to another mass 3m that is resting on a horizontal table (along with the pulley). Neglect friction. Mass m is held montionless and is then released. When it has fallen a distance h, it will have a ...
January 12, 2010 by Bob

Calculus
2sin(2theta) + sqrt(3) = 0 interval (0,2pi) How do I solve this? I thought about maybe subtracting the sqrt(3) from both sides, so that i would have 2sin(2theta) = -sqrt(3) Then maybe dividing by two? sin(2theta) = -sqrt(3)/2 Am I doing anything right here? It's been a long ...
September 20, 2011 by Hannah

geometry
What is an equation of the line that passes through (-3,6)and is parallel to the line with the given equation: y=-x-5
October 28, 2010 by noah

Math
Write an equation of the line with y-intercept 4 that is parallel to the line whose equation is y=3x+2
February 29, 2012 by amy

algebra
If a line L1 has equation y = mx + b, where m and b are constants with m 0,then an equation of a line L2 perpendicular to L1 has the form , where C is a constant.
September 5, 2013 by Milly

UNISA
The equation of a line L1 is 2y-5x-1=0. Line L2 is parallel to L1 and passes through (2,1/4). What is the equation of L2, please? help me.
May 23, 2016 by khanyee

Algebra
First the slope. Perpendicular to a slope of -3 means a line slope of 1/3 y= 1/3 x + b. Now put in the x,y point and solve for b. write the equation of a line that has a y intercept (0,5) and is perpendicular to the line with equation y=-3x+1
March 11, 2007 by bobpursley

Algebra
Write the equation of the line satisfiying the givrn geometric conditions. L has y-intercept (0, 2) and is perpendicular to the line with equation 2x-3y=6 Here is my answer please check. -2/3x-2 I can see it is wrong just by looking at the slope. The perpendicular line has a ...
April 25, 2007 by jessica

ALG 2!!!
Write an equation of a line with an undefined slope and passing through the point (-2,4). Hint: To answer this question, consider the type of line that has an undefined slope. Then write an equation of that line using the values in the ordered pair.
November 22, 2012 by tyneisha

Math
If line f is parallel to the line h, and line f has y-intercept 5, what is the equation of line f ?
January 24, 2011 by rolando

maths
which solution is the correct for this equation 4x^3 - 3x = 15 -1.8, -1.7, -1.6, -1.5, 1.5, 1.6, 1.7, 1.8 ?? What is your thinking, and why? Have you considered graphing y= 4x^3 -3x -15 ? Kat, what level of study are you at. This is an equation which can be "solved" only by ...
May 13, 2007 by kat

Calculus 12th grade (double check my work please)
1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice B.)3e^-2x sec(3x)tan (3x)-2xe^-2x sec(3x) C.)3e^-2x sec(3x)tan (x)-2e^-2x Sec(3x) D.)3e^-2x sec(3x)tan (x)-2xe^-2x sec(3x) 2.)calculate dy/dx if...
March 7, 2011 by anon

math
Find the distance between (3, 2) and (1, 4). (1, 4) - (3, 2) = (1- -3, 4 - -2) = (1+3, 4+2) = (4,6) |(4,6)| = sqrt[4^2 + 6^2] = sqrt[52] = 2 sqrt[13]
July 8, 2007 by steph

Math
Simplify the expressions. 1. sqrt(40/169) 2. sqrt(18/13) 3. sqrt(45/32)
October 21, 2008 by Kiley

Math
Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31)
October 27, 2008 by Shawn

Math
Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31)
October 27, 2008 by Chris

Math
Simplify - sqrt 12b^2 * 2 sqrt 8b. I got -8 sqrt 6
May 12, 2009 by Angie

Calculus
Differentiate the given function. f(t)= 4(sqrt(t^3)) + 14/sqrt(t) - sqrt(17) f'(t)=?
February 11, 2010 by Kassie

college 209
multiply (2 sqrt 7 -5 sqrt 3)(8 sqrt7-5 sqrt 3)
January 16, 2011 by Anonymous

Class 12th : Calculus
If y = sqrt(x-1)+sqrt(x+1),prove that sqrt(x^2-1)dy/dx=1y/2
June 9, 2011 by Akash

MATH
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the equation of the line having ...
December 6, 2009 by sarah

Math
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the equation of the line having ...
December 6, 2009 by S

Math
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the equation of the line having ...
December 6, 2009 by S:Please, I just need a check

Geometry - Circles and tangents
Two circles of radius 1 are externally tangent at Q . Let PQ and QR be diameters of the two circles. From P a tangent is drawn to the circle with diameter QR , and from R a parallel tangent is drawn to the circle with diameter PQ . Find the distance between these two tangent ...
March 21, 2013 by Knights

Math
What's the slop of the line whose equation is 87 = 7 - 2y? This is similar to the other one where i posted. You subtract 7 from both sides so the equation will be 80= -2y. Then divide both sides by -2, and the equation will be y=-40. This is a straight line so the slope is ...
November 5, 2006 by Cynthia

Calculus
Find all values for c in the intercal (1,4) so that the slope of the tangent line at (c,f(c)) equals the slope of the secant line through (1,1/3) and (4,2/3) where f(x) = x/(x+2) 1 </ x </ 4 (<-- that is suppose to be the less than or equal to sign) I'm not sure how ...
May 27, 2014 by Aria

calculus - what is the derivative?
Let f(x) = 2x^2 + 1 a. Find the derivative f' of f. b. Find an equation ofthe tangent line to the curve at the point (1,3). c. Sketch the graph of f. *Can someone please help me? I have been trying to do my homework for some time now and I am stuck on this problem. I do not ...
September 21, 2008 by B :)

radical expression
What is the radical expression of 1. (11)^-3/2 2. 2^(-1.5) Thanks I will do one. the exponent 3/2 means sqrt of something cubed. So (11)^-3/2 = 1/(11)^ 3/2 =1/ sqrt 11^3 = 1/ sqrt (11^2 * 11)= 1/ (11 sqrt 11)
January 26, 2007 by Jen

graphing
Q: How could the function y=3t^2 +4 be plotted on a cartesian graph to produce a straight line? What would be the numerical values of the slope and the intercept of the line? For this it's explained in the lab book for physics as if the function is y=mx+b it would be a ...
September 2, 2007 by ~christina~

algebra
Which choice is the equation of a line that passes through point (7, 3) and is parallel to the line represented by this equation? y = 2/7x - 3 A. 7x + 3y = 2 B. y = 2/7x + 1 C. y = -7/2x -3 D. 2x + 7y = 1 i would assume that the answer to this would be B, as they both have the...
November 10, 2013 by caduceus

math
(a)Given the points P(3,5),Q(8,10)and R(8,0),find the equation of a line which is perpendicular to QR and passes through the mid point of QR. (b)The line 2x+3y=2 and 7x-3y=10 intersect at A . Find the equation of the line which passes through A and is perpendicular to the line...
June 5, 2013 by JOJO

math
Find the product and enter the real and imaginary parts below. Note that you do not need to type in the since it is already given to you. Simplify your square roots as much as possible. sqrt-27((sqrt-5)-(sqrt-11))
September 13, 2011 by john

Algebra
graph the equation x-3=y (where do I plot the points?) find the intercepts and then graph: 5x+4y=20 find the intercepts and then graph: 1.4x-1.3y=3.64 graph the equation using slope and y-intercept: y=10/7x +4 graph using slope and y-intercept: x+2y=8 graph by plotting points...
July 18, 2010 by Jacquie

maths
find the equation to the straight line which passes through the point of intersection of the line 3x+4y-1=0 and 5x+8y-3=0 and is perpendicular to the line 4x-2y+3=0
January 10, 2013 by Anonymous

Physics, help!!
How do I get the equation T=2pi(sqrt(m/k)) to the linear equation y=mx+b?
February 4, 2013 by Hannah

homework check
which if the following statements is false? a. The points of a circle are coplanar b. Concentric circles intersect in exactally one point c. In are AB C Denotes that an arc of the circle has endpoints A and C and that passes thru B d. If a line and a circle are coplanar and ...
April 15, 2012 by Courtney

Calc.
Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly. S= integral symbol S x^3*sqrt(x^2 + 1) dx u = x^2+1 x^2= u - 1 du = 2xdx du/2 = xdx 1/2 S x^2 * x sqrt (x^2 + 1) du 1/2 S (u - 1) * sqrt (u) du multiply square root of u and (u - 1) ...
January 27, 2011 by CMM

Math
Use the point-slope form linear equation given to complete the following problems. y-3=3(x+1) 1. What is the slope of the given line? Here's what I did: y-3=3(x+1) y-3+3=3x+3 y=3x+6 m=3 Correct so far? 2. What point does this line pass through, which is the basis of this ...
January 23, 2014 by Elizabeth

Geometry
Write and equation of the line described A) the line parallel to y = 1\3x +5 and with a y-intercept of 1 B) the line perpendicular to y=-2x+4 and that passes though the point (-1,2)
March 18, 2010 by Anonymous

math
Find an equation of the line that (a) has the same y-intercept as the line y+2x-12=0 and (b) is parallel to the line 5x+12y=8 Write your answer in the form y=mx+b
April 27, 2016 by anonymous

math,correction
is this correct: solve: 5(x-2)^2=3 My answer: (10 +/- sqrt 15)/(5) looks like you expanded, then used the formula and you got the right answer properly reduced. I think you are getting this!!! I don't want to confuse you but I would have done the following: (x-2)^2 = 3/5 x-2...
April 19, 2007 by jasmine20

Math
Find an equation of the line containing the given pair of points. (-5,-2) and (-3,-1). The equation of the line in slope-intercept form is y=. Here is what I came up wiyh: y=1/2x-1/2. Is this correct? I am confused on this problem. Could someone please help? Thanks.
March 26, 2010 by B.B.

Calculus
Find the slope of the tangent line to the graph of f at any given point f(x) = -2x + 6 at (2,2)
December 18, 2007 by Kelly

math urgent!
find the eq to the tangent line to the curve y=x^3 g(x) at x=1 if g(1)=2 f(1)=3 f'(1)=1 g'(1)=-2 i cant understand how the answer is y=4x-2
May 15, 2008 by sam

calculus
Show that the curve given below has no tangent line with slope m1, where: y = 4 x^3 + 8 x - 6 m1 = 7
November 3, 2008 by BEN

12th grade calculus
let f(x)=x^2 1. show that the line tangent to the graph of f at the point (1,1)is y=2x-1
November 16, 2008 by dt

calculus
find the point(s) on the graph of y = (2x4 + 1)(x - 5) where the tangent line slope is 1.
June 16, 2009 by lana

calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?
September 28, 2010 by Jenny

calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?
September 28, 2010 by Jenny

calculus
Find the equations for the lines tangent to the ellipse 4x^2+y^2=72 that are perpendicular to the line x+2y+3=0
October 10, 2010 by Anonymous

math
how do you show that line 3x+y-2=0 is a tangent of the curve y=(4x-3)(x-2) and how to find the point of contact??
October 17, 2010 by Jack

Calculus Help
Determine the point at which the graph of the function has a horizontal tangent line. f(x) = (9x^2)/(x^2+6)
October 27, 2010 by Sam

Calculus
let f(x)=x*e^x For what value of x is the slope of the line tangent to the graph of function f at [x,f(x)] equal to 1/2?
February 3, 2011 by Anna

Calculus - Verify?
Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) it is at pt (3,1)
February 20, 2011 by Aric

math
Determine the points on the curve y=x^2(x^3-x)^2 where the tangent line is horizontal. Thx!
March 20, 2011 by hast

math
using limits...finding the tangent line of the square root of x when x=2
September 22, 2011 by tiffany

Calculus
Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1
October 13, 2011 by Blue

calculus
find equations of the tangent lines to the curve y=(x-48)/(x+48) that are parallel to the line y=6x+6
October 30, 2011 by jihang

calculus
given f(x)=(x). find the distance of the point P(2,5) from the line tangent to the functions at x=4.
December 7, 2011 by mike

calculus
how do I find the equations for the lines tangent to the curve y 4 + x y= ------ 4 - x which are parallel to the line y = 2x 32.
March 22, 2012 by Anonymous

cal
determine any values of x for which a tangent line to the curve f(x)=1/x will have a slope of -4
September 30, 2012 by jump

Calculus
Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis
October 1, 2012 by Marlanea

Calculus
Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis
October 1, 2012 by Marlanea

calculus
don't understand at all... find the slope of the tangent line to the curve y=xe^x at (1,e)
October 24, 2012 by dino

math
Use the tangent line approximation to approximate the value of ln(1.004)
November 19, 2012 by Melissa

calculus
Use the tangent line approximation to approximate the value of ln(1008)
November 19, 2012 by paul

math
Find the values of a,b, and c if the parabola y=a(x^2)+bx+c is tangent to the line y=-2x+3 at (2,-1) and has a critical point when x=3
November 22, 2012 by mike

mts 106
Find the gradient at the point (1,1) of the tangent line to the curve x^2+y^2-3x+4y-3=0.
May 18, 2013 by tunde

Calculus
Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) at point (-3,-1).
October 8, 2013 by Nathan

math
let f(x) = x^3 +1 a.find the points on the graph of f where the slope of the tangent line is equal 12
December 1, 2013 by Tee

calculus
Find the slope of the tangent line to the graph y = x-3 at the point (0.5, 8). Answer -48 -12 4 16
February 23, 2014 by shira

math class
Find the slope of the tangent line to the graph y = x^-3 at the point (0.5, 8). -48 -12 4 16
February 23, 2014 by liana

calculus
Find the slope of the tangent line to the curve (2x+4y)^1/2+(2xy)^1/2=13.4 at the point (6,5).
October 7, 2014 by Hailey

Calculus
1. If the tangent line to y=f(x) at (4,3) passed through the point (0,2), find f(4) and f'(4). My answer: f(4)=3 f'(4)=1/4
October 17, 2014 by Anonymous

AP calculus
Find values for x and/or y on the graph of x^2-2y^2+9x+8y-276=0 for which there is a vertical tangent line
November 30, 2014 by DJjazzyjazz

AP Calculus
Find all points on the graph of f(x)=-x^3+3x^2-2 where there is a horizontal tangent line.
November 30, 2014 by Sarah

Math
For what value of b will the line y=-2x+b be tangent to the parabola y=3x^2+4x-1? Show work-2 marks
January 15, 2015 by Alex

math
For what value of b will the line y=-2x+b be tangent to the parabola y=3x^2+4x-1 ? (Show your work - 2 marks)
January 23, 2015 by Alex

math
For what value of b will the line y=-2x+b be tangent to the parabola y=3x^2+4x-1 ? (Show your work - 2 marks)
January 23, 2015 by Alex

Calculus
Find a function of the form f(x)=a+bsqrtx that is tangent to the line 2y-3x=5 at the point (1, 4)
December 22, 2015 by Kaitlyn

Algebra
i am having problems understanding.... i don't know how to put it so i will just put what the problem is Write the slope-intercept form of an equation of the line that passes through the given point and is parallel to the graph of each equation 13. (2,-7) y= x-2 i know that 2 ...
October 23, 2012 by Emmy

maths
Choose the option that gives the solution of the initial-value problem dy dx=(1 + 2 cos2x^2)/y (y > 0), y= 1 when x = 0. Options A y = 1+ 2sin^2 x B y = (1 + 2 sin x)^2 C y = (4x + cos(2x))^2 D y = 4x + cos^2 x E y =sqrt(4x + cos(2x) F y =sqrt(1 + 4x + sin(2x)) G y =1/(sqrt...
May 11, 2011 by albert

college algebra
Find the product and enter the real and imaginary parts below. Note that you do not need to type in the since it is already given to you. Simplify your square roots as much as possible. sqrt-27((sqrt-5)-(sqrt-11))
September 13, 2011 by john

Math
1. The curve y=10/2x+1 -2 intersects the x-axis at A. The tangent to the curve at A intersects the y-axis at C. (i) Show that the equation of AC is 5y+4x=8 (ii) Find the distance of AC 2. The equation of a curve is y=1/6(2x-3)^3-4x (i) Find dy/dx (ii) Find the equation of the ...
January 14, 2013 by Stephen

math help & correction
Problem #1 Is this correct or wrong? Find the slope of the line passing through the points(-1, -1)and(-1, 2). Write the equation of the line. For this one I KEEP GETTING Y= - (3)/(2)x-2.5 Problem #2 Find the y-intecept and slope of 7x+9y=72 My answer: Slope is: - (9)/(8) y-...
March 31, 2007 by jacky

inverse
find f^-1 (x). (this is asking me to find the inverse) f(x) = -(x-2)^2, x <= 2 how do I solve this problem? find f^-1 (x). (this is asking me to find the inverse) f(x) = -(x-2)^2, x <= 2 how do I solve this problem?>> If f(x)=-(x-2)^2 x<-2, then let y=f(x) - y...
July 11, 2006 by kristie

math
what way would the line face with the linear equation y=-1/3x+5? A)A line going through the 5 up to the right B)A line going down from 5 c)A line going thru -5 and up D)A line going through positive 1 and to the left. Is it d
May 23, 2014 by Gwen

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