Writing Equations of Lines Parallel and Perpendicular to a Given Line Through a Point

This algebra video tutorial shows you how to write the equation of a line that is parallel and perpendicular to a given that passes through a point. This video shows you how to do it using the slope intercept form of the equation and the point slope form. It also shows you how to take the negative reciprocal of the slope of the given line to find the slope of the perpendicular line.
Algebra For Beginners:
• Algebra For Beginners ...
How To Solve Linear Equations:
• How To Solve Linear Eq...
Solving Linear Equations - More Problems:
• Algebra - How To Solve...
Translating Words to Algebraic Expressions:
• Translating Words To A...
Graphing Ordered Pairs:
• Graphing On The Coordi...
How To Find The Slope of a Line:
• How To Find The Slope ...
________________________________
Finding The Slope Given 2 Points:
• Finding The Slope Give...
Undefined Slope:
• Undefined Slope | Algebra
Slope-Intercept Form:
• Slope Intercept Form Y...
Slope-Intercept Form to Standard Form:
• How To Convert From Sl...
How To Find the X and Y Intercepts:
• How To Find The X and ...
Point-Slope Form:
• Point Slope Form - Bas...
____________________________________
Graphing Equations In Point Slope Form:
• How To Graph Linear Eq...
Graphing Horizontal and Vertical Lines:
• How To Graph Horizonta...
Writing Equations Given a Point & Slope:
• How To Write The Equat...
Writing Linear Equations Given 2 Points:
• How To Find The Equati...
Writing Linear Equations From Graphs:
• How To Find The Equati...
Finding The Point of Intersection:
• Finding The Point of I...
______________________________________
Writing Equations Given X & Y Intercepts:
• How To Write The Equat...
Writing Equations In Standard Form:
• Writing Linear Equatio...
Writing Equations Using a Function Table:
• How To Write a Linear ...
Parallel and Perpendicular Lines:
• How To Tell If Two Lin...
Writing Equations of Perpendicular Lines:
• Writing Linear Equatio...
Linear Equations - Test Review:
• Linear Equations - Alg...
Final Exams and Video Playlists:
www.video-tuto...

[@TheOrganicChemistryTutor]

Linear Equations - Formula Sheet: bit.ly/3WxIvJF Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections

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[@VietTran-du4ip]

If the equation of the first line (Line 1) is given in the form ax + by = c, you need to solve for y to find the slope of line L1 first. In this case y = - a/b + c/b, so slope of line L1 is - a/b

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This video was amazing !!! It helped me so much :) . The only thing I’m still alittle confused about is in 8:05 , how when we subtract 2/5 with -1 it comes out to -3/5. But I’m just awful with fractions so I’ll just work on fractions now 🤣

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- a negative makes it a positive so it's 2/5 +1 actually

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When we have a-b, if b>a, the answer is -(b-a) e.g. 4-10=-(10-4)=-6 works the same for fractions

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[@MinYoongi-sb2lk]

I don't get it...why is he saying "intercept/slope form" when all I wanted was how to solve for a parallel or perpendicular equation...

[@yahyakhalid6290]

since he's subsisting the gradient *[slope]* in the equation && the y && x co-ordinates into the equation y = mx + c ,, which is point - slope form . there's only difference of slope in both parallel && perpendicular equations .

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@@yahyakhalid6290 wait...huh? I’m still confused 🤷🏾‍♀️

[@samadoalkedry7521]

Because there are two way to find and write the equation of straight line one by slope intercept form and the 2nd is by point slope form ..... it depand on the value of m , the given point and the line if it is perpendicular or parallel to a given line ....you can search about that if you want...

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I am currently suffering through a homework assignment involving this at 11:19 PM, so thanks for this

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This isn’t Khan Academy

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