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2y=7 And then I have to graph it. I got y=7/2, but now how do I find the slope? And how do I graph it?

2007-04-06 08:01:23 · 8 answers · asked by Anonymous in Science & Mathematics Mathematics

8 answers

The y- intercept is 7/2, or 3.5. The slope is 0 (straight horizontal line). The coefficient of x is the slope. Since there is no x, the coefficient of x must be 0.

2007-04-06 08:05:57 · answer #1 · answered by damo 2 · 1 0

Well, there are two ways you can do this.

1) Plot two points on your line and then plug them in to the slope formula. http://www.purplemath.com/modules/slope/slope02.gif This will provide you with the slope.

2) Look at the graph on your calculator. 7/2 graphs a straight horizontal line, right? So the slope is zero. I recommend using the first method though to doublecheck.

2007-04-06 15:07:30 · answer #2 · answered by Mika 2 · 0 0

The slope intercept form is y = mx + b.

In your case, there is no X value, so the equation is simply a horizontal straight line across the graph at y = 7/2 = 3.5

2007-04-06 15:05:58 · answer #3 · answered by reb1240 7 · 0 0

hey, since there is no x in your equation, that means that y is the same for every single x. So it is a horizontal line, the slope is 0. and this line is where y = 7/2 = 3.5

its basically the equation y = 0x + 3.5

Hope that helps

2007-04-06 15:06:54 · answer #4 · answered by Anonymous · 0 0

This is easy!
The answer is 3.5. How i did it you ask?
Well i drew out the equation...2y=7.
I put another 2 under the first 2 and divided 2 by 7, got 3.5

Well im not good at explaining, i just know im right
just divide 2 into 7. You have 3.5

2007-04-06 15:10:36 · answer #5 · answered by Hawaiian Surfer Girl 1 · 0 0

this is a simple question. the graph is a line parallel to the x axis as the y always remains the same. so the slope is zero. simple. in other words there is no change in y with respect to x.it is constant.

2007-04-06 15:06:13 · answer #6 · answered by perplexed 2 · 0 0

no x means that it is a horizontal line at y = 7/2

2007-04-06 15:08:38 · answer #7 · answered by CD 1 · 0 0

the slope is just a straight line. There is no x-intercept variable.

to find the slope you do (y2-y1)/(x2-x1)

2007-04-06 15:06:44 · answer #8 · answered by wtf........... 2 · 0 0

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