Search: Find the equation of the tangent line to the curve at the point .

Number of results: 114,821

kaley
find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x = 1/2 For the vertical ...
Monday, November 2, 2009 at 9:00pm by math

calculus
find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x = 1/2 For the vertical ...
Monday, November 2, 2009 at 5:18pm by kaley

Geometry
Prove that the tangents to a circle at the endpoints of a diameter are parallel. State what is given, what is to be proved, and your plan of proof. Then write a two-column proof. Hint draw a DIAGRAM with the points labeled. Can some one please check for me Given : ...
Thursday, July 5, 2007 at 3:08pm by DANIELLE

Math
bisector is the line that cuts the segment into half and is perpendicular to it. So first we need to find the midpoint M of segment ; x coordinate of M; (-7+-1)/2=-8/2=-4. y coordinate of M; (2+-6)/2= -4/2=-2.So M(-4,-2) As lines are perpendicular their gradients will be ...
Thursday, November 29, 2012 at 9:22pm by kay

Calculus
if x=e^t and y=(t-3)^2 , find an equation y=mx+b of the tangent to the curve at (1,9).
Saturday, March 12, 2011 at 8:14pm by Allison

Calc
How do you find the horizontal tangent for the equation f(x)=x^2-3? Algebraically
Thursday, September 10, 2009 at 5:56pm by Katie

Calculus
Find the equation of the tangent to the curve y=e^x at the point where x=-1.
Thursday, June 5, 2008 at 8:55pm by Sam

Calculus
Find an equation for the tangent and normal to the curve x^2 + y^2 = 9 at x=1
Thursday, October 4, 2007 at 5:23pm by Matt

Calculus
Let f(x)= √1-sinx) (a.) What is the domain of x? (b.) Write an equation for the tangent line to the graph of f at x=0. I mostly just need help with letter B. I think I can get letter a.
Sunday, February 5, 2012 at 7:38pm by Amy

maths
Determine the coordinates of the point on the curve representing the function f(x)=ln(2x-1) where the tangent is parallel to the line with equation 2x-5y=0 Thanks for any help!
Wednesday, March 10, 2010 at 7:54am by Anonymous

calculus adn geometry
let P(a,b) be the closest point. the slope of the tangent at P is -a/b then the slope of the line from P to (1,√3) must be b/a, since that line must be at right angles to the tangent for a minimum distance. but slope of line from P to (1,√3) = (b-&#8730...
Tuesday, November 18, 2008 at 10:59pm by Reiny

calculus help
Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta - cos deta) Y= r(1- sin deta)
Thursday, August 26, 2010 at 11:02pm by stan

check math
3) FInd an equation of the line containting the given pair of points. (3,4) and (9,6) MY ANSWEAR: 2/5X+9 4)Find an equation of the line having the given slope and containing the given point. m=2/3 (7,-7) MY ANSWEAR: 2/3X-14/3X
Thursday, December 4, 2008 at 10:13am by Anonymous

Derivatives?
The tangent line approximation is: f(x) = f(a) + (x-a)*f'(a) It is the formula for a straight line that goes through x = a with the slope of f(x) at x=a. Let a = -0.5 and x = 0 f(0) = 2 + (0.5)*4 = 4
Tuesday, June 5, 2012 at 6:21pm by drwls

calculus
at what points on the hyperbola xy=12 is the tangent line parrallel to the line y= -3x
Friday, November 4, 2011 at 3:40pm by Anonymous

math
can somebody show me how to do this? at what point on the graph of y= 3^x +1 is the tangent line parallel to the line y= 5x -1 ?
Thursday, October 29, 2009 at 7:04pm by carolina

calculus
tangent line and normal line of y=(sqrtx)/(x+1) when p=(4,2/5)
Thursday, February 17, 2011 at 11:18pm by courtney

calculus
Gah. Struggling over this for the past 20 minutes... Find the slope of the line tangent to the curve y=1/x at the point (2,0.5).
Saturday, September 24, 2011 at 4:01pm by Anonymous

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
Tuesday, November 16, 2010 at 6:18pm by Drew

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).
Friday, November 5, 2010 at 5:58pm by Trevor

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).
Thursday, October 29, 2009 at 7:01pm by Jenny

algebra 1,urgent
the expression (4x^2-3x+1)-(x^3+2x+7) what is the coefficient of the x term in the simplified expression? what is an equation of a line parallel to the line with equation 2 y=14-6x a.y=-6x+18 b.y=-3x-9 c.y=6x+3 d.y=3x+8 Solve linear system, which substitution of unkowns is ...
Tuesday, April 23, 2013 at 6:36pm by Sven

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 ...
Saturday, December 1, 2012 at 2:48am by asdf

Algebra II
perpendicular to the line with equation x = -1 means that your new line must be a horizontal line. All horizontal lines have equation of the form y = c, where c is the y-coordinate of a point on that line. So looking at our point (2,3) the equation must simply be y = 3
Sunday, November 11, 2007 at 3:46pm by Reiny

Calculus
Since you want the equation in terms of x and y, let's change what looks a polar coordinate equation to the x-y form r = 3sin(3Ø) let k=3Ø so r = 3sin k r = 3(y/r) r^2 = 3y x^2 + y^2 = 3y then 2x + 2y dy/dx = 3dy/dx 2x/(3-2y) = dy/dx when Ø = &#960...
Thursday, October 13, 2011 at 9:27pm by Reiny

Calculus
Find an equation of the tangent line to the given curve at the given point y=(1/cosx)-2cosx at((pi/3),1) y'=0+2sinx slope = √3 y=mx+b 1=(√3)(pi/3)+b b=(3-√3pi)/3 3√3x-3y+3-√3pi=0 What did I do wrong? Thanks in advance.
Wednesday, March 24, 2010 at 12:24am by sh

Calculus
Could someone please help me with this question; Find the tangent to the curve y=x^2-8x+14 which slope is -2. Show that this tangent touches the curve y= -x^2-4x+4. Find the point of contact. Thank you.
Monday, February 22, 2010 at 9:12pm by Kenny

Calculus 151
Let the point of contact of the tangent be P(a,b) then b = 4 - a^2 we know dy/dx = -2x, which is the slope of the tangent so at P the slope is -2a equation of the tangent is y = -2ax + k but (a,b) lies on it b = -2a(a) + k k = b + 2a^2 = 4-a^2 + 2a^2 k = 4 + a^2 tangent ...
Tuesday, November 16, 2010 at 10:02pm by Reiny

Writing this equation
how do I write the equation of a line perpendicular to the line 6x – 3y=10 and containing the point (-6, 2). The line you are given can have its equation rewritten im y = mx + b as: y = 2x - 10/3 That tells you that is slope is m = 2. A line that is perpendicular to that ...
Tuesday, July 24, 2007 at 12:39pm by Katty

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?
Tuesday, October 23, 2012 at 7:15pm by Sam

calculus
Determine the coordinates of the point on the graph of f(x)= (2x+1)^(1/2) where the tangent line is perpendicular to the line 3x+y+4=0
Thursday, February 28, 2013 at 9:19pm by Anonymous

Calculus
A line in the first quadrant is tangent to the graph of y=1/x^2. How can we minimize the area between the line and the axes?
Wednesday, August 1, 2012 at 10:00pm by Cristy

calculus
A line in the first quadrant is tangent to the graph of y=1/x^2. How can we minimize the area between the line and the axes?
Saturday, December 4, 2010 at 2:08am by Susan

Math
This question concerns the straight line that passes through the points (−1, 3) and (2, −6). Choose the three true statements from the following. Options A The gradient of the line is 3. B The gradient of the line is −3. C The gradient of the line...
Saturday, June 5, 2010 at 2:27pm by S Rey

Pre-calculus-check answer please
Write the standard form of the equation of the circle that is tangent to the line x=3 and has center at (-2,-7). Answer: (x+2)^2+(y+7)^2=49 Is this correct?
Monday, October 13, 2008 at 11:48am by Lucy

calculus
find all points on the curve x^2y^2+xy=2 where the slope of the tangent line is -1 I know that you have to find the derivative when it equals -1 i got y'=(2x*y^2-y)/(2x^2*y+x) (i don't know if it is correct or not) but i don't know how to go from here. any help ...
Tuesday, November 1, 2011 at 2:35pm by Fredrick E.

algebra
Write the equation of the line with x-intercept (–8, 0) and undefined slope. would this by y=-8x?????????? You're close! The only line with an undefined slope is a vertical line. Therefore the equation of a vertical line passing through (-8, 0) is: x = -8 There is no ...
Sunday, May 13, 2007 at 1:18pm by stressed

Mathamatics
This question concerns the straight line that passes through the points (−1, 3) and (2, −6). Choose the three true statements from the following. Options A) The gradient of the line is 3. B) The gradient of the line is −3. C) The gradient of the ...
Sunday, June 6, 2010 at 6:10pm by S Rey

maths
tangent is slope. so for x>0, the slope is 1 constant slope, is straight line. y=mx+b m=1 2=1*4+b b=-2 y=x-2 is the equation
Tuesday, August 9, 2011 at 6:38am by bobpursley

Calculus Grade 12 University
thanks steve. do you know how to do these ones? :( 4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1] 5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4). 6. Find out if ...
Saturday, May 26, 2012 at 1:27am by j

Pre Calculus
Let me change the problem. Find a line perpenduclar to a line thrue 4,5 and having slope 4 new slope of perpendicular line..-1/4 y=mx + b 5=(-1/4)4 + b b=6 y=(-1/4)x+ 6 is the equation.
Sunday, September 7, 2008 at 8:23pm by bobpursley

Math
Why are you using ""a , as in a = 3 ? There is no "a" in either equation Is this a "first principle" question to find the equation of the tangent to a curve ? I will assume that is the case, and do the 2nd problem, the harder of the two ..... ...
Saturday, March 31, 2012 at 1:19am by Reiny

Advanced Math
1. The distance s(t) between an object and its starting point is given by the anti derivitive of the velocity function v(t). find the distance between the object and its starting point after 15 sec if v(t)=0.2t^2+2t+10 meters/seconds. MY ANSWER: 600 meters. 2.Find the slope of...
Monday, June 15, 2009 at 2:04pm by Patrick

Trig
A curve with polar equation r=(8)/7sinx + 36cosx represents a line. This line has a Cartesian equation of the form y=mx+b ,where m and b are constants. Give the formula for y in terms of x . For example, if the line had equation y=2x+3 then the answer would be 2x+3 .
Monday, December 13, 2010 at 11:13pm by Audrey

algebra 2
just like any horizontal line has equation y = k, as MathMate pointed out to you in the previous post, any vertical line has equation x = c so look at the x value of the given point, namely -4, and your equation is x = -4 BTW, the slope of any vertical line is undefined
Friday, August 28, 2009 at 2:45pm by Reiny

algebra
Let's take the first one. We know that any line can be expressed as y = mx + c First we plug in the m given: y = (2/3)x + c. Now, we know that the point (3/2, 9/5) is on this line, so we can substitute these values into our equation to find c: 9/5 = (2/3)(3/2) + c 9/5 = 1...
Wednesday, October 7, 2009 at 5:12pm by jim

Calculus
Find the equation of the tangent to the curve y=sin^-1 (1/x) at x=2. Please help!
Wednesday, October 19, 2011 at 6:04pm by Michael

Calculus TEST!!!!
Find an equation for the tangent and normal to the curve x^2+y^2=9 at x=1
Sunday, October 7, 2007 at 3:46pm by Matt

Calc
y = x^2 + 4 ln x dy/dx = slope = 2 x +4/x when is that slope 6? 6 = 2 x + 4/x I get at x = 1 and at x = 2 well 1 is easy because ln 1 = 0. It just said "a" tangent line, not all tangent lines. then y = 1 so I am going to use (1,1)
Sunday, December 9, 2007 at 6:41pm by Damon

math
use product rule, then substitute value of x in dy/dx. the obtain then find equation of tangent y=mx+c. For normal, gradient of curve*gradient of normal=-1 find gradient of normal from equation and once again obtain normal equation in y=mx+c form
Thursday, October 15, 2009 at 7:45pm by Salman

alison
I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how to do this one so I can do the rest of my homework problems on my own? Thanks. Let A = (a, f(a)) and B = (b, f(b)) Write an equation for: a) the ...
Wednesday, November 11, 2009 at 5:55pm by math

calc
determine the x-coordinate of the point on the curve y=2x(lnx) at which the tangent line is parallel to the line y=4x+9
Friday, April 23, 2010 at 11:05am by Leo

math
At what point to the curve y=4+3lnx is the tangent line paralell to the line 5y-x=10. 3/x = 1/5 ---> x = 15
Tuesday, December 5, 2006 at 7:52pm by Jay

math 118
a. Suppose a market research company finds that at a price of p = $6., they would sell x = 44 tiles each month. If they lower the price to p = $2, then more people would purchase the tile, and they can expect to sell x = 48 tiles in a month’s time. Find the equation of ...
Saturday, February 4, 2012 at 6:11pm by jer

Math
Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1) Help please? Thanks in advance
Saturday, November 17, 2012 at 2:48pm by Ali

Calculus
The line y=2x+b is tangent to the graph of y=x^1/2 at the point P=(a, a^1/2). Find P and determine b. I don't know what to do because they don't give you the x coordinate or anything to plug into the derivative. Help?
Thursday, September 20, 2012 at 12:55pm by Macy

Calculus grade 12
find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.
Thursday, April 12, 2012 at 12:50pm by Julie

Physics
Find the slope of the line that is tangent to the given function’s graph for the specified value of the independent variable. f(x) = 9x – 8; x=10.
Tuesday, February 2, 2010 at 7:00pm by Kassie

Calculus
Find dy/dx for: 2y^3 - 3xy = 4 Write an equasion for the line tangent to the curve at (1,2) Find d^2y/dx^2 at (1,2)
Saturday, December 20, 2008 at 5:03pm by Karen

Calculus
if y = x^3 + k dy/dx = 3x^2 , which of course is the slope of the tangent but the slope of the given line is 3/4 , so ... 3x^2 = 3/4 x^2 = 1/4 x = ± 1/2 , but since we are restricted to the first quad, x = 1/2 if x=1/2, 3(1/2) - 4y = 0 y = 3/8 The point of contact of ...
Monday, October 29, 2012 at 2:32am by Reiny

Math
Given the linear equation 5y = -3x + 19, find (a) the slope of a line perpendicular to the given line. (b) the slope of a line parallel to the given line. A. (a) -5/3 (b) 3/5 B. (a) -3/5 (b) 5/3 C. (a) 5/3 (b)-3/5 D. (a) 3/5 (b)-5/3
Wednesday, July 18, 2012 at 9:33pm by chchch

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 ...
Thursday, May 20, 2010 at 3:42pm by Rich

Math/Physics
the tangent line of the curve s(t) = t. 2 +2t at the point (1, s(1)) = (1, 3) ... 0, y = 0 or y = 3. Therefore, the graph does not pass the. vertical line test.
Sunday, July 13, 2008 at 8:19pm by martha

Calculus
when x=10 , f(10)=500 so your point is (10,500) f'(x) = 10x then when x=10 , slop = 100 Now you have a slope of 100 and a point of (10,500) Use the method you learned to find the equation of the tangent (a straight line)
Sunday, September 16, 2012 at 11:42pm by Reiny

PLease check math
1) Firstly we need to find the slope of the line the two points are on by using the equation m = (y2-y1)/(x2-x1) m = (5 - 0)/(0 - [-8]) = 5/(0 + 8) m = 5/8 Then use y-y1=m(x-x1) to find the equation of the line. y - 0 = (5/8)*(x - [-8]) y = 5/8x + 5 So your answer is correct...
Thursday, December 4, 2008 at 10:00am by Cian�n

math
To find the slope of a line: use this equation: (y2-y1)divided by (x2-x1 EX. your two points are (4,2) and (5,5). The equation would go like this: (5-2)/(5-4)=3/1=3. Therefore, the slope of the line is 3. About the y=mx+b, you plug in the slope in place of x and the y-...
Wednesday, February 6, 2008 at 9:32pm by TAG

Math
Find the equation of the straight line that passes through the points (−1, 5) and (5, −1). Find the coordinates of the point where this line crosses the y-axis
Friday, June 11, 2010 at 11:09am by Dave

Math
Find the equation of the straight line that passes through the points (−1, 5) and (5, −1). Find the coordinates of the point where this line crosses the y-axis.
Saturday, May 22, 2010 at 3:52pm by subash

calculus
Find the equation of the tangent to the curve sin(x+y)=xy at the origin.
Saturday, February 11, 2012 at 10:43am by ck

Physics
Alright, thanks. I drew a tangent line and found the slope at t=6, and got 3.75 m/s as my instantaneous velocity. Just so I know... when do I have to take into consideration the linear equation governing horizonatal motion?
Monday, October 1, 2007 at 3:50pm by Jenny

Geometry HOMEWORK HELP ME PLEASE!
Draw the triangle with vertices D(-2,1), U(4,9), and E(10,1) On a Graph. 2. Find DU, UE, AND DE. (Distance) 3. Classify Triangle DUE by its sides. 4. Write the standard form of the equation of each line: DU, UE, and DE.Also, find the slode and then the y-intercept. Start with ...
Thursday, March 20, 2008 at 5:49pm by Brian

Calculus exam review, PLEASE HELP!!
for each function, determine the equation of the tangent line to the graph for the indicated value of the variable. a) y = 3cosx + 4sinx + 1 , when x = pie b) y = x - 3cosx , when x = (5pie)/3
Thursday, June 21, 2012 at 3:12pm by stephanie

AP CALCULUS
What is an equation of the line tangent to the graph of f(x)=x2(2x+1)3 at the point where x=-1? (that's x squared (2x+1)cubed) I'm having trouble finding the derivative:f'(x)which would be the slope (m).
Sunday, November 7, 2010 at 12:38pm by Naz

maths
First, from a given line, the slope can be identified if the equation of the line is put into the slope-intercept form as: y = mx + b For example, 2x + 3y = 5 can be rearranged to y = (-2/3)x + 5/3 From which we can identify the slope as (-2/3). One the slope is defined, if ...
Sunday, October 25, 2009 at 12:23pm by MathMate

C1
Find equation of line V (y-3)/(x+5)= (-6/12) -6 x - 30 = 12 y - 36 12 y = -6 x + 6 6 y = -3 x + 3 Find equation of line W (y+4)/(x-2) = 6/2 = 3 3 x - 6 = y + 4 y = 3 x - 10 Find intersection 6 y = -3 x + 3 1 y = +3 x - 10 -------------- 7 y = -0 x - 7 y = -1 -7 = 3 x - 10 3 x...
Saturday, October 8, 2011 at 9:00am by Damon

Calculus AP need help!
i dont know how or what to starts Find the slope of the tangent line to the curve 4x^2+3xy+3y^3=-251 at the point (-4,-5)
Wednesday, February 29, 2012 at 11:44pm by stacey

calc
Consider the following function. f(x) = 4x3 + x2 - 0.05x + 10 Find the two points on the graph at which the tangent line is horizontal. G
Thursday, September 30, 2010 at 11:28am by Anonymous

Calculus
The slope of a straignt tangent line at any point of a y(x) curve is the derivative of the y(x) function at that point. To get the derivative this way, you would have to draw a series of tangent lines at diffent points of the curve, measure the slope of each line, and replot ...
Sunday, September 30, 2007 at 4:28pm by drwls

Calculus
As you can see, it is not easy to solve for y in terms of x only and then differentiate that equation. It is much easier to use the method called "implicit differentiation" in which you take the derivative of both sides of the equation, treating y as a function of x...
Saturday, December 20, 2008 at 5:03pm by drwls

Algebra
Find the coordinates of two points on the line with the given equation. Then use the points for find the slope of the line. 1) y= -17 2) 7x-3y= -147 Thank you so much for your help.
Tuesday, February 12, 2013 at 5:51pm by Mia,Thank you

Calculus
Can anybody help me with this? Consider the surface xyz = 20. A. Find the unit normal vector to the surface at the point (1, 4, 5) with positive first coordinate. (___,___,___) B. Find the equation of the tangent plane to the surface at the given point. Express your answer in ...
Monday, October 15, 2007 at 6:52pm by Mike

calculus help please
Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta - cos deta) Y= r(1- sin deta) deta= pie/3
Saturday, August 28, 2010 at 10:52pm by stan

Algebra
Find the equation with the given properties. Express the equation in slope intercept form. Containing points p=(-4,-2) and Q=(-2,1) What is the equation of the line? y=
Sunday, April 14, 2013 at 7:40pm by Jenn

Geometry equation
I do not understand how to work a problem or equation out for geometry. The equation refers to two parrellel lines that have a transversal line running diagonal through each one. The exterior anglebottom left part of the top parrellel line, measures at 52 degrees. how do I ...
Tuesday, May 11, 2010 at 7:57am by BWB

algebra
Write the equation of the line that passes through point (5, 4) with a slope of 0. would this be x=5 then? no x=5 is the equation of the vertical line passing through (5,4) Any horizontal line, (slope=0), has an equation of the form y = b notice that this is a variation of the...
Sunday, May 13, 2007 at 1:48pm by stressed

maths
First, find the midpoint of DE: ((1+5)/2,(2+4)/2) = (3,3) Now, find the slope of the line DE: (4-2)/(5-1) = 2/4 = 1/2 You want a perpendicular line, so its slope will be -2 The equation of the desired line, using point-slope form: (y-3)/(x-3) = -2 y-3 = -2x + 6 y = -2x + 9 The...
Sunday, November 27, 2011 at 12:08am by Steve

algebra review!
it says write the equation of the vertical line that passes through the point (7,-3). what do i need to start it off? find the equation for the line with undefined slope and passing through the point (-1,-2). what do i need to start that off? what equation do i use to find the...
Thursday, September 3, 2009 at 6:32pm by trixie

calculus
find the area of the region enclosed by y=squareroot of x, the line tangent to y= squareroot of x at x=4 and the x-axis
Thursday, January 5, 2012 at 9:44pm by Annie

math
The line y=2x + b is tangent to the graph y= sqrt x at the point P= (a,sqrt a). Find P and determine b
Tuesday, September 20, 2011 at 9:16pm by erika

calculus
Find an equation(s) of the circle(s) described. Tangent to x + y = 0 and x - y - 6 = 0; center on 3x - y + 3 = 0. How do you solve this?
Sunday, March 18, 2012 at 5:32pm by hfdsgds

Solid mensuration
Find an equation of the circle tangent to x + y = 3 at (2,1) and with center on 3x - 2y - 6 = 0
Monday, January 30, 2012 at 4:41am by Jane

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-...
Saturday, March 31, 2007 at 3:37am by jacky

Algebra
Find the equation of the line perpendicular to the line passing through (2,4) and (3,7)
Monday, November 9, 2009 at 10:12am by Pat

Math 101
Find the equation for each of the following items below: a. A line that passes through (6,26) and has a slope of 3. b. A line that passes though the points (5,5) and (10,20) c. A line that passes through (9,25) and has a slope of -3. d. A line that passes through (1,1) and is ...
Tuesday, March 23, 2010 at 7:54pm by SEMA , Need Help

algebra
ok, the general equation of a line is y=mx+c, with m being the gradient, and the c being the y-intercept. so you already know that the line would be y=-4x+c. They told you a point on the line, so you subt that in. With x being -6, and y being 7. So, you should get 7=(-4)(-6)+c...
Saturday, September 26, 2009 at 3:53am by Marrion

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