elaine4959
elaine4959 elaine4959
  • 19-04-2019
  • Mathematics
contestada

The slope of the line is -1/7. Write a point slope equation of the line using the coordinates of the labeled point (3,3)

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khaif
khaif khaif
  • 19-04-2019

use the point (x,y) and (3,3)

slope = (y-3)/(x-3)

but slope = -1/7

therefore we have;

(y-3)/(x-3)=-1/7

cross multiply;

7(y-3)=-1(x-3)

7y-21=-x+3

make y subject of the formula:

7y=-x+3+21

7y=-x+24

y=-1/7x+24/7

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jimrgrant1 jimrgrant1
  • 19-04-2019

Answer:

see explanation

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = - [tex]\frac{1}{7}[/tex] and (a, b) = (3, 3), hence

y - 3 = - [tex]\frac{1}{7}[/tex](x - 3) ← in point- slope form

Answer Link

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