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December 21, 2014

December 21, 2014

Posted by **bianca** on Saturday, February 26, 2011 at 9:29pm.

M=(-3,-5)/(7,-2)

M=-8/5 IS THE SLOPE

[Y=MX+B]

5=-8/5*2+B

5=-16/5+B

5+16/5=B

(25+16)/5=B

41/5=B THE Y INTERCEPT

Y=-8X/5 +41/5

HOW WOULD I SHOW A GRAPH ON THIS PROBLEM?

- ALGEBRA -
**Reiny**, Saturday, February 26, 2011 at 9:38pmyour slope is incorrect

slope = (-2+5)/(7+3) = 3/10

so y = (3/10)x + b

using (-3,-5)

-5 = (3/10)(-3) + b

-50 = -9 + 10b

b = -41/10

y = (3/10)x - 41/10

- ALGEBRA -
**Helper**, Saturday, February 26, 2011 at 9:49pmhttp://www.purplemath.com/modules/graphlin.htm

I'm not sure of your question.

Do you know how to graph an equation?

Is it because there are fractions?

If because of fractions, convert to decimals and estimate as best you can.

Your equation would be,

y = -1.6 x + 8.2

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