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Aliun [14]
3 years ago
10

Use the coordinates of the labeled point to find the point-slope equation of the line

Mathematics
1 answer:
koban [17]3 years ago
3 0

Answer:

A. y + 1 = -2(x-2)

Step-by-step explanation:

point-slope equation is : y - y1 = m (x -x1)

remember m= slope value

the given point is (2, -1) therefore we can substitute the values in:

y + 1 = m(x -2)

now to make sure our answer is complete we will solve for the slope:

looking back at the graph, the y-intercept value is 3, therefore we have a point of (0,3) and (2, -1)

with any two points you can determine a slope.

y2 - y1 / x2 - x1

therefore :

-1 -3 / 2 - 0

-4 / 2 = -2

therefore our m value is -2

this makes the completed point-slope equation:

y + 1 = -2 (x - 2) or A

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Three boys cut out hundredths decimal models. Luke shades three fourths of one model. Owen shades four small squares of one mode
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Answer:

Luke = 0.75

Owen = 0.04

Jacob = 2.9

Step-by-step explanation:

A model = 100 small squares

100 small squares = 1

Luke shades three fourths of one model.

Luke = 3/4 of 1 model

= 3/4 × 1

= 0.75

Owen shades four small squares of one model.

Owen = 4/100

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Jacob shades two full models and nine tenths of another model

Jacob = 2 + 9/10

= 2 + 0.9

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Luke = 0.75

Owen = 0.04

Jacob = 2.9

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Answer:

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