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Slope and y intercept

-2y=6(5-3x)how do you find the y intercept and slope for this type of equation?

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Simplify and put it into slope-intercept form:
y=9x-15

From the above the slope is readily seen to be 9 and the y-intercept is -15.

If this is homework be sure to show your work.

Posted on Nov 19, 2013

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SOURCE: why is the y-intercept of the graph of 4x+2y=12?

use the slope-intercept form to graph y=2/3x+4

Posted on Oct 10, 2012

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1 Answer

How to solve and graph the equation 4x+y+0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

Oct 27, 2016 | Office Equipment & Supplies

1 Answer

How do I graph 4x+y=0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

Oct 27, 2016 | Office Equipment & Supplies

1 Answer

How to write equations in slope intercept form


A great tutorial: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-slope-intercept-form/v/linear-equations-in-slope-intercept-form

Mar 17, 2015 | math.com Computers & Internet

1 Answer

Determine the x and y intercept of the graph for each equation. 5x-y=-5 And -3x+2y=7


5x-y=-5 answer x=-1, y= 5 http://www.wolframalpha.com/input/?i=Determine+the+x+and+y+intercept+of+the+graph+for+equation%3A+5x-y%3D-5

-3x+2y=7 answer x = -7/3, y = 7/2 http://www.wolframalpha.com/input/?i=Determine+the+x+and+y+intercept+of+the+graph+for+equation%3A+-3x%2B2y%3D7

Feb 23, 2015 | Office Equipment & Supplies

1 Answer

Slope and y intercept


That's a little difficult since there is no y in the equation.

Nov 19, 2013 | Computers & Internet

1 Answer

What is the y-intercept of a line with an equation 8x-8+2y=0?


8x - 8 + 2y = 0
8X + 2Y = 8
y = -4x + 4
X = 0 por y-intercept
y=mx+b
Y = 8/2 or 4
Knock knock
Who's there?
4
4 who?
Why yall want me to do yall's homework 4?
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Do the math on that! LOL

Jan 02, 2011 | Kitchen Ranges

2 Answers

2X+4Y=-8


2x + 4y = -8 ; divide each side by 2
x + 2y = -4 ; subtract x from both sides
2y = -4 - x ; rearrange
2y = -1x -4 ; divide each side by 2
y = -1/2x - 2 ; relate to slope/intercept form of line (y=mx+b)

implies there are multiple solutions that fall along a line with slope -1/2 and y intercept of -2
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++++++++++
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Sample points on this line are (-4,0), (-2,-1), (0,-2), (2,-3)

Nov 04, 2010 | Mathsoft StudyWorks! Mathematics Deluxe...

2 Answers

Why is the y-intercept of the graph of 4x+2y=12?


use the slope-intercept form to graph y=2/3x+4

Mar 31, 2010 | Computers & Internet

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