Graph the line for y - 1 = 7 (x - 2) on the coordinate plane

The point-slope form:

We have

Therefore

the point = (2, 1)

the slope = 7

The slope

7 units up and 1 unit right.

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Other method.

It's the slope-intercept form.

for x = 0 → y = 7(0) - 13 = 0 - 13 = -13 → (0, 13)

for x = 2 → y = 7(2) - 13 = 14 - 13 = 1 → (2, 1)

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm