alexxxis

What is an equation for the line that passes through points (–1, –4) and (1, 4)? Write the equation in slope-intercept form.

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first find the slope

alexxxis

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0,0 ?

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|dw:1351870116953:dw|

alexxxis

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Oh, okay and then from there?

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now use point slope form to get the equation
y-y1 = m(x-x1)
y-(-1) = 4(x-(-4))
y+1 = 4x +16
y= 4x +15----------> required equation in slope intercept form

alexxxis

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Thanks!

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welcome