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Talja [164]
3 years ago
13

Pls help i need this asap​

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0
Y = Mx + b

M is the slope and can be calculate by rise/run.

M = 1 (by taking any of the two points and taking the rise as the difference in the y values of the point and the run as the difference in the c values)

If you graph them real quick you will find that the line intersects with the Yaxis at 4 so our b value is 4.

Y=mx + b
y= 1 x + 4

Y= x+4
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\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ y = 4\frac{2}{3}x\qquad \qquad yes\qquad \checkmark\qquad \qquad k = 4\frac{2}{3} \\\\[-0.35em] ~\dotfill\\\\ y=3(x-1)\implies \stackrel{\textit{distributing}}{y=3x-3}\qquad \qquad yes\qquad \checkmark \qquad \qquad k=3

bear in mind that, direct proportional equations have a y-intercept.

for y = kx, is pretty much y = kx + 0, where 0 = y-intercept.

and the "k" constant of proportionality, is pretty much just its slope.

7 0
3 years ago
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