Number of results: 83,203
Last number from the sample test! A plane P passes by the coordinates: A(1,0,-7); B(-2,-1,0); C(0,0,-3) Using the equation of the line D: x= 7+12t, y= -1-6t, z= 2-2t, Find the equation of a line that's entirely part of the plane P and that is perpendicular to the line D at ...
September 10, 2012 by Robert
The axes being inclined at an angle of 30°, find the equation to the straight line which passes through the point(-2,3) and is perpendicular to the straight line y + 3x = 6
January 21, 2012 by Kewal
Discrete Math: Equations of a Line
Find parametric equations for the line that passes through the point (0, -1, 1) and the midpoint of the line segment from (2, 3, -2) to (4, -1, 5). I don't know how to solve this problem.
March 14, 2008 by Anonymous
How would you solve these types of problems? They confuse me! 1. Write the quation of the line that passes through points (-8,-6) and (5,3) 2. Write the equation of the line that passes through (3,-4) and has a slope of 2. I know that you have to do something with y=mx+b, but ...
October 28, 2008 by Jill
Are these answer"s correct? What is the equation for the line that passes through the (-2,2) and has a slope of 5? Answer- Y=5x + 2 Y=5x +12 Y=5x -2 None of these ¨C I believe this is the answer Find the value of x^3+¡¼2x¡½^2-3 when x =3. Answer- 42 Solve 5x+3=13 for x. Answer...
August 6, 2011 by lizzie
AB (with an arrow over AB I can't past the arrow so yeah) passes through A(-3, 0) and B(-6, 5). What is the equation of the line that passes through the origin and is parallel to AB? (with an arrow over it again) a)5x – 3y = 0 b)-x + 3y = 0 c)-5x – 3y = 0 d)3x + 5y = 0 e) -3x...
April 3, 2015 by Emily
Determine the equation of a line that is perpendicular to the line 2x+3y=7 and passes through the point (0,6) What is the volume if the prism in terms of y? 1st dimension: 2y+1 2nd dimension: y 3rd dimension: y+3
March 3, 2014 by Anonymous
Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form Y= mx+b (6,8); x+6y=5 The equation of the line is Y= I do not how work this problem help me, please
March 17, 2009 by Johnnie
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
You give up too easily. How? I posted how to get the answer below at the original question. OK but I replied... As did I. Well...I replied...again... Maybe you do understand this for horizontal lines. If you interchange x with y, vertical and horizontal lines are interchanged...
December 2, 2006 by DrBob222
URGENT HELP QUICK math rate of change
A line with a slope of -2 passes through the point (1, 7). What is the closest point on the line above (1, 7) which has whole number coordinates?
June 9, 2011 by chelsea
Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y = mx + b. (2,3); x + 6y = 7 The equation of the line is y =________
June 25, 2008 by Anonymous
Math Help PLEASE
Write an equation of the line containing the givin point and parallel to the givin line. Express your answer in the form y=mx+b The equation of the line is y=? (-5,9);8x=7y+5
May 2, 2008 by Kell
Write an equation of the line containing the given point and parallel to the given line. Express yur answer in the form y=mx+b (7,9) x+4y=5 The equation of the line is y=
March 20, 2009 by Johnnie
Find the equation for the line with the following. parallel to the line 8x+7y=-7 and containing the point (7,-7) Since it it parallel the equation would have to have 8x, right? Then im not sure what to do.
October 7, 2010 by Hannah
I am trying to work through the following equations and can't remember how to do them. I would appreciate if someone could show me how to do both questions so I can see the difference. Find the equation of the line that passes through A(4,-2) and is parallel to 2x-3y=7 A(-2,5...
March 15, 2008 by Mel
Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= Express your answer in the form y=mx+b. (-8,9); 2x=9y+4
May 25, 2011 by AE
Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y=... Express your answer in the form y=mx+b (2,-6); 8x+7y=5
May 25, 2011 by samae
Math-Fast pleasee :]
Which of the following is the equation for a line parallel to the y-axis & passing through (3,2)? a) x=3 b) y=2 c) y=3/2 D) x=2/3 I know in slope intercept form it would be y=mx+b. But how do i do this in standard form? any vertical line has the equation in the simple form x...
May 8, 2007 by Emily
write an equation to match each description. 1) a snowball is 8 cm across and melting so that its diameter is decreasing at a steady rate of 0.2 cm/min. write an equation for d(t), the length of the snowball's diameter at time t. answer: d(t)=8-0.2t 2) horizontal line through...
September 1, 2015 by chloe
Math - help please
Write the equation of a line that is perpendicular to the given line and that passes through the given point. y – 3 = (x + 2); (–2, 3) A. Y+3= -3/8(X-2) B.Y-3=-3/8(X+2) C.Y-2=-3/8(X+3) D. Y+3=3/8(X-2) I am not sure how to do this problem...please help...
November 23, 2012 by Deborah
the line "l" passes through the point P=(1,-1,1) and has a direction vector d=[2,3,-1], for the following plane Pl, determine whether l and P is parallel, perpendicular, or neither. a) 2x + 3y - z = 1 could you tell me also how it would differ if it was parallel or neither or ...
January 12, 2011 by Reen
6. What is the slope of the line represented by the equation x = -9? 7. Write an equation of a line with a slope of 0 and passing through the point (5,4). Hint: To answer this question, consider the type of line that has a slope of 0. Then write an equation of that line using ...
November 26, 2012 by tyneisha
Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? y = −x + 5 A. y = x− 6 B. 5x − y = 5 C. y = −x− 1 D. 2x− 5y = −1 can someone please show me how...
November 10, 2013 by caduceus
Algebra uno help please :)
Write an equation of the line that passes through the given point and is parrel to the given line. 1. (-1,3) Y=2x+2 I'm thinking that you just plug in -1 and 3 for x and y. So, 3=2(-1)+2 Correct? Please help me. :) Thank you -Allyson
December 5, 2010 by Allyson
Do you want the equation of a line through that point (1,2) with slope m = 4? Use the equation (y-y*) = m(x - x*) where x* and y* are the coordinates of the point the line has to pass through. (1,2)m=4
March 3, 2007 by drwls
Let f(x) be the parabola -x^2+16x-16. find the point (x,y) on f such that tangent line to f at (x,y) passes through the origin. My ans is (8,48). First i do f'x then i find x and lastly i find y. I do this because the max/min point is the point where tangent line pass through...
October 28, 2012 by Ifi
What would be the missing piece of information given the following information: Find the equation of the line that passes through the points (2, 6) and (4, 10). y = 2x + ? a. 4 b. 2 c. 7 d. 5 OK. let's take this step by step. y = 2x + ? Remember the equation of a line is y = ...
October 14, 2006 by Margie
Find the equation of the line that passes through (1,3) and is perpendicular to the line 2x+3y+5=0 A. 3x-2y+3=0 B. 2x+3y-11=0 C. 2x+3y-9=0 D. 3x-2y-7=0 E. None of these I got E?
November 30, 2014 by Anonymous
hi, im in the 9th grade and i need help I need help with my math. the following questions are? we are learning parallel lines and perpendicular lines. think you can help me? e) parallel to y=0 and passes through (1,2) f) perpendicular to x=-1 and passes through (3,5) g) slope ...
April 2, 2010 by shanen desir
Write an equation for the line, in point-slope form, that passes through the points (-5, 7) and (-4, -3). Use (-5, 7) as the point (x1,y1) So far I got Y- 7=-1/9(X + -5)
June 15, 2008 by Keishia
math, help please !
use the following instructions for problems 1 and 2: for a right triangle with legs a and b and hypotenuse c, find the missing side length. round your answer to the nearest tenth, if necessary. 1. a = 5;b = 10 - 3.9 -11.2 -8.7 -125 2. a = 9;c=15 -12 -17.5 -36 -6 3. which of ...
February 23, 2016 by bean
PLease help me with this: What kind of line is created when you graph the equation x = -5? Vertical line Horizontal line This equation does not graph a line Parallel line *Ithink it is a vertical line!* Yes, you are correct! It is a vertical line!
November 7, 2006 by Francheska
Hi, need a bit of help on this one. A straight line passes through the points (4,3) and (10,0), I need to write down the equation of the line in the form y=mx+c, I have tried but I cant seem to get the second coordinates to satisfy the equation. Here is what I have done so far...
July 9, 2010 by Del
Algebra: please check
Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation. Would the equation be: y-2=1/3(x-1) Do I need to finish this? I am not sure how.
June 8, 2010 by bart
I know that standard form is Ax+By=C, but I'm not really sure how to do this problem. All help is welcome. Thanks in advance. Write an equation for each line: through (-1,3) and parallel to y=2x+1 I know that the slop will be 2 because it is parallel. If m=2 then used the same...
September 25, 2006 by Faramir
For questions 33 and 34, write the equations for the lines parallel and perpendicular to the given line through the given point (one point for each equation). x - 3y = 9 through (2, -1)
May 21, 2010 by jj
Consider the line through the points (3,2,5) and (1,1,1). Consider the plane A that is perpendicular to this line, and passing through the point (-1,0,2). Consider the plane B that passes through the points (1,-1,0), (0,2,0), and (0,5,2). Consider the intersection of plane A ...
September 27, 2015 by Alexa