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morpeh [17]
3 years ago
15

Find the linear equation in slope intercept form that passes through the points (5,3) and (2,-1)

Mathematics
2 answers:
padilas [110]3 years ago
8 0

\bf (\stackrel{x_1}{5}~,~\stackrel{y_1}{3})\qquad  (\stackrel{x_2}{2}~,~\stackrel{y_2}{-1}) \\\\\\ slope =  m\implies  \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-1-3}{2-5}\implies \cfrac{-4}{-3}\implies \cfrac{4}{3} \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-3=\cfrac{4}{3}(x-5)\implies y-3=\cfrac{4}{3}x-\cfrac{20}{3} \\\\\\ y=\cfrac{4}{3}x-\cfrac{20}{3}+3\implies y=\cfrac{4}{3}x-\cfrac{11}{3}

SVETLANKA909090 [29]3 years ago
4 0

First, we must determine the slope:

Slope = m = (Y2 -Y1) ÷ (X2 -X1)

Slope = (-1, -3) / (2 -5)

Slope = -4 / -3 = 4 / 3 = 1.33333333...

Now, we have to fill in this equaton:

y = mx + b we know the slope "m"

y = 1.3333... x + b now we'll take a point (5, 3) and solve for "b"

b = y -mx b = 3 - 1.3333... *5

b = -3.6666666667

y = 1.3333... x -3.6666...

Source

1728.com/distance.htm

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