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February 27, 2017

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

Number of results: 42,431

Calculus
The slope of the line tangent to the curve xy+(y+1)^2=6 at the point (2, 1) is
November 30, 2014 by James

math
For what values of a and b is the line 4x + y = b tangent to the parabola y = ax2 when x = 5?
January 9, 2016 by Kyle

Math
Find the y-intercept of the tangent line to y=-0.2/ã(6+5x) at (2.5,-0.0464990554975277) Thanks
March 3, 2016 by Niki

Math
What is the slope of the tangent line to the graph at f(x)=x^2-5 at the point (2,-1)?
January 12, 2017 by hhhhh

algebra
Simplify: sqrt()80/16 a) sqrt()5/4 b) sqrt()4/5 c) sqrt()5 d) sqrt()4 a
June 5, 2010 by Ami

algebra
Simplify: 3 sqrt () 2 + 5 sqrt () 2 a) 8 sqrt () 2 b) 15 sqrt () 2 c) 16 d) 16 sqrt () 2
June 9, 2010 by ami

algebra
Simplify: 2 sqrt (3) + 4 sqrt (3) a) 18 b) sqrt (9) c) 8 sqrt (3) d) 6 sqrt (3) d
June 18, 2010 by anthony

algebra
simplify: sqrt (25) / (16) a) 5/4 b) sqrt (5)/(4) c) sqrt (5)/ sqrt (4) d) 16 sqrt (5) / 4
June 22, 2010 by sean

algebra
simplify: sqrt (7) / (9) a) sqrt 7 b) sqrt (63) / 3 c) sqrt (63) / 3 d) sqrt (7) / (3)
June 23, 2010 by ant

algebra
simplify: sqrt (3/8) a)3/4 b) sqrt(3) / 2 sqrt(2) c) 3/ sqrt (2) d)sqrt(6/4)
June 24, 2010 by ant

algebra
simplify: sqrt (7/9) a0 sqrt (7) b) sqrt (63/3) c) sqrt (63/3) d) sqrt (7/3) d
June 24, 2010 by anthony

algebra
simplify: sqrt(24) a) 6 sqrt (2) b) 4 sqrt (6) c) 4 sqrt (2) d) 2 sqrt (6) d
June 24, 2010 by anthony

calculus
Find a number x0 between 0 and pi such that the tangent line to the curve y = sin x at x = x0 is parallel to the line y = -x=2. I get that for both lines to be parallel to each other their slopes need to be the same. I found -1/2 = cos(x) but I get stuck here. What exactly am...
December 1, 2012 by asdf

maths, please help!
I need help solving this: 6x^2-x-12=0 I usually could do this yet i have completely forgotten what i need to do seeing as there is a number infront of the x^2 This equation is of the general form a x^2 + bx + c = 0 The solution is always x = [-b +/- sqrt (b^2 - 4ac)]/(2a) = [1...
February 22, 2007 by elle

Math
Write an equation in the indicated form for each statement described below. (A graph shows two lines intersecting at x=-2 and y= 1 in a tilted X shape) A. Write an equation in slope-intercept form for the line parallel to the red line and going through the point (3,5). B. ...
February 25, 2017 by Mark

math,correction
can someone correct this for me plz.... Write the equation of the line L satisfying the given geometric conditions. (#1)L has y-intercept (0, -3) and is parallel to the line with equation y = (2)/(3)x + 1. My answer:
January 22, 2007 by jasmine

algebra
Find an equation of the line containing the give pair of points. (-2, -1), and (-7, -4). The equation of the line in slope - intercept form is y= I 've tried this problem and can not seem to get could please help me.
March 16, 2009 by Johnnie

algebra
Find an equation of the line having slope and containing the given point. M=4/5, (3, -7) The equation of the line is Y= I have tried to work this problem and could not get the answer. Please help me.
March 19, 2009 by Johnnie

Math
Write the equation of the line that satisfies the given conditions. Express the final equation in standard form. Contains the point (-7, 2) and is perpendicular to the line 4x − y = 4
September 30, 2015 by kylee

Algebra
Write an equation of the line that passes through (9,6) and is perpendicular to the line whose equation is y = -1/3x +7 y-y1=m(x-x1) y-6=3(x-9) y-6=3x-27 y=3x-21
February 16, 2008 by Jon

Algebra II
write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x-1
November 10, 2008 by Sha

Geometry
The line L1 has the equation y=3x. The line L2 is perpendicular to L1 and passes through the point P(0,0). Write an equation of L2
March 17, 2010 by Anonymous

algerbra 1
i wrote an equation of a line that passesthrough the point (2,-3) and has a slope of -3 which equation represents my line?
July 2, 2010 by jamyrrah

algebra
find the equation for the line that passes through the point (-5,-1) and that os parallel to the line with the equation -x+2y=5
July 7, 2010 by cm

algebra
Need help on the following questions. What is the y-intercept of a line with the equation (y - 3) = 5(x + 2) and What is the slope of a line with the equation y = -x + 6
April 27, 2011 by Nyk

algebra
find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?
November 21, 2011 by amy

algebra
find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?
November 21, 2011 by amy

Calculus
Let L1 be the line with the vector equation r= (-2,3) +s(-1,3), seR. Let L2 be with the line with parametric equation x=3t+2, y=t-7, teR. Are L1 and L2 perpendicular? How do you know?
April 8, 2012 by Samantha

College Algebra
write an equation for the line that passes though (3,3) and is parallel to the line with equation 4x+y-5=0
March 6, 2015 by meri

AlGEBRA 2 (check answers plz)
What is the equation of the line that has a slope of -2 and a y-intercept of -7? y = -2x - 7 <-- y = -7x - 2 y = -2x + 7 y = -7x + 2 or <-- Find the equation of the line that has a slope of 4 and contains the point (-4, 1). y = 4x + 1 <-- y = 4x - 8 y = 4x - 15 y = 4x...
February 2, 2017 by Debbie

math!!
I have no idea how to do this!!! Let ΔABC be a triangle such that b=sqrt(3), c=sqrt(10), and cos(B)=3/sqrt(10). Find all possible values for side length a. Please show work
September 28, 2016 by PLEASE HELP ASAP

Math
What's the slop of the line whose equation is 8y = 7 - 2y? the slope would be zero. if you add '2y' to the other side, then your equation will be 10y=7. If you divide 10 on both sides, the new equation will be y=7/10. That will be a straight line, so the slope will be zero.
November 5, 2006 by Cynthia

Algebra
for each equation tell weather its graph is a horizontal or a vertical line y=-4 write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation (1,3);y=3x+2
December 20, 2016 by Pokemoncharzard

calculus
Integrate: dx/sqrt(x^2-9) Answer: ln(x + sqrt(x^2 - 9)) + C I'm getting the wrong answer. Where am I going wrong: Substitute: x = 3 * sec t sqrt(x^2 - 9) = sqrt(3) * tan t dx = sqrt(3) * sec t * tan t Integral simplifies to: sec t dt Integrates to: ln|sec t + tan t| + C t = ...
December 31, 2007 by mathstudent

Algebra2
Find the polynomials roots to each of the following problems: #1) x^2+3x+1 #2) x^2+4x+3=0 #3) -2x^2+4x-5 #3 is not an equation. Dod you omit "= 0" at the end? #2 can be factored into (x+1)(x+3) = 0, so the roots are x=-1 and -3. #1 Use the quadratic equation for the roots [-b...
May 13, 2007 by Haylee

math
I need help with "write in equation in slope-intercept form for the line that is parallel to to the given line line and and that passes through the given point. y=1/2x=5;(4,-3) How do you find a line that is perpendicular. Please and thank you! :)
February 8, 2014 by Kerri

precalculus
Find (a) the equation of a line that is parallel to the given line and includes the given point, and (b) the equation of a line that is perpendicular to the given line through the given point. Write both answers in slope-intercept form. (c) Graph both of these lines on the ...
November 11, 2011 by tinathomas

Trig Practice
Find the exact value of sinA where a=9 and b=10 and angle C is a right angle. a. sin A= 9/sqrt 181, cos A= sqrt 181/10 b. sin A= sqrt 181/9, cos A= 10/sqrt 181 c. sin A= 9/sqrt 181, cos A= 10/sqrt 181 d. sin A=sqrt181/10, cos A= 9/sqrt 181
February 3, 2017 by Anonymous

Calc
"Consider the surface given by 4x^2-y^2+5z^2-10z=55. a) Find all points on the surface at which the tangent plane is parallel to the plane 8x+y+15z=1. b) Pick one of these points and give the equation of the tangent plane to the surface at that point." Could someone help me ...
March 1, 2011 by Anonymous

Calculus PLEASE check my work ,
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 12, 2011 by anon

algebra 2
Not sure if either one of these answer are correct to simplify the sqrt for 24 1) 24 = 6 x 4 square root of 24 = square root of 6 x 4 2 root 6 2) sq root 24 = sq root (4x6)= sqrt 4 x sqrt 6= 2sq root 6=4.89898 3) Square root of 24 =sqrt (24) =sqrt(4*6) =2sqrt(6) = 2*square ...
April 27, 2011 by plese help me

Physics
Hello everyone, I have made measurements of the periods of a pendulum attached to a stationary point at a certain height h. When plotting the periods as a function of the square root of the length minus the height it gives us a straight line. I now need to prove that this line...
January 7, 2013 by Tom

parallell and perpendicular lines
please check my homework given P(7,2) and the line y + 3x=7 find the equation for the line parallel line: y+3x+7 y=-3(x-7) +7 y-2=-3x+21+7 y=-3x+28+2 y=-3x+30 perpendicular line: y-2=1/3(x-7) +7 y-2=1/3x-7/3 +21/3 y-2==1/3x + 14 y=1/3x + 14 +2 y=1/3x +16
February 19, 2012 by luckybee

math
Dave is going to leave academia and go into business building grain silos. A grain silo is a cylinder with a hemispherical top, used to store grain for farm animals. Here is a 3D view, a cross-section, and the top view. If Dave is standing next to a silo of cross-sectional ...
April 13, 2014 by hyun

PreCalculus
Ok I know that the slope of a straight line is the same thing as x with a dot aboce it or simply the first derivative of x on the unit circle tangent gives you the slope of the reference line right? This can be expressed using the notation expressed above but how? Thanks!
December 1, 2009 by Joe

calculus
the point (1,9) lies on the graph of an equation y=f(x) for which dy/dx=4x(sqrt(y)) where x is greater than or equal to 0 and y is greater than or equal to 0 a)6 b)4 c)2 d)sqrt(2) e)0
February 20, 2012 by victoria

Calculus
So here is the question: Find and equation of the tangent line to the graph: 4)f(x)=e^(2x) passing through the point (0,0) I find derivative being f'(x) =2e^(2x) Then m = f'(0) = 2 put into point slope formula: (y-y1)=m(x-x1) y-0 = 2(x-0) which comes out to y=2x 0=2x ; so the ...
October 5, 2014 by Tom

Math
The graph of the equation y=4-x consists of all the points in the coordinate plane that satisfy the equation. List 5 points that satisfy y= 4-x. Also, what do you think is the minimum number of points you need to plot in order to draw the graph of y=4-x. Please explain Set y=0...
November 21, 2006 by victoria

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

Calculus
a)The curve with equation: 2y^3 + y^2 - y^5 = x^4 - 2x^3 + x^2 has been linked to a bouncing wagon. Use a computer algebra system to graph this curve and discover why. b)At how many points does this curve have horizontal tangent lines? Find the x-coordinates of these points. I...
October 31, 2010 by Chelsea

Physics
An umbrella with a diameter of 1 m turns 22 rev every 44 seconds. If it's 1.5 m from the ground, calculate the time it takes for a drop to reach the ground and the distance away from the umbrella a person should stand so as to not get wet. For this problem I made a = (0, -g) ...
November 9, 2012 by Leslie

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 (Reflection across y=x line)
Here's a question that I am having trouble with: What is the resulting equation when y=x^3+2x^2 is reflected across the y=x line? I know that I need to switch the y with the x's in the equation, so is the answer they're looking for simply x=y^3+2y^2 or do I need to simplify ...
April 5, 2011 by Randy

maths
What would the equation be of a straight line that passes through the points (1,1) and (3,3) ?? write the equation for the line: y= mx+ b put the first set of points in.. 1=1m + b then the second equation 3=3m + b subtract the equations... 2=2m so you know m. Put that into ...
June 9, 2007 by kat

MAT221
consider the line 8x-5y=-4 find the equation of the line that is perpendicular to this line and passes through the point (-4,-4) find the equation of the line that is parallel to this line and passes through the point (-4, -4) i keep getting different answers on the ...
June 29, 2014 by Kia

AP CALC
The function g is given by the formula g(x)= ∫[0,x/2] e^(-t^2)dt. An equation for the tangent line to the graph of g at the point x=1 is a) y-0.461=0.779(x-1) b) y-0.461=0.389(x-1) c) y-0.461=1.558(x-1) d) y-0.461=0.184(x-1) e) y-0.461=0.368(x-1) I took the derivative ...
February 22, 2015 by Rachel

math
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

Samuel
Near x=0, the tangent line approximation gives e^(−3x)
March 1, 2010 by Nathan

Math
Determine the slope of the tangent line to the curve y=2x^3-3x^2+1 at the point (1,0)
June 30, 2010 by Eileen

Calculus
Determine the slope of the tangent line to the curve y=2x^3-3x^2+1 at the point (1,0)
July 15, 2010 by Eileen

Math
Determine the slope of the tangent line to the curve y=2x^3-3x^2+1 at the point (1,0)
July 15, 2010 by Eileen

math
At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
December 2, 2010 by Keith

calculus
At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
December 2, 2010 by Keith

Implicit Differentation
Find the slope of the tangent line to the curve at (2,1). x/y +x^2y^2=6
December 2, 2010 by Michael

Calculus
Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)
February 23, 2011 by Lisa

Math Calc
Find the tangent line to the curve (y-x)^2= 2y+4 at the point (2,6)
August 18, 2011 by Lalee

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

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

calc
Find the tangent line to the curve (x^2/16)-(y^2/9)=1 at the point (4sqrt2,3)
December 15, 2016 by Darrel

Calculus-derivatives
At what points on the graph of f(x)=6x^2+4x-9 is the slope of the tangent line -2?
February 8, 2017 by Angel

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

Math-Geometry
I'm having trouble with these two questions about slopes and equation of a line: (A)-Find the slope of each segment (B)-Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,-4) 2. (-3,2) and (7,-4) Thank you!
February 20, 2010 by Sammi

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

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 ¹ 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

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