2 years ago

Write an equation of the line below

Mathematics

1 answer:

gulaghasi [49]2 years ago

5 0

Answer:

y = 4/5x - 2

Step-by-step explanation:

To create an equation with just a line compare two points on the graph and see how far the x and y points are on the graph then put them into a fraction with y over x then find the y intercept or find where the x coordinate equals 0 in this case it was (0, -2). Now put it all together:

y = mx + b

mx = comparison of two points

b = y intercept

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How is the formula for finding the sum of interior angle measures of polygons dervived

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Step-by-step explanation:

Draw lines from one vertex to the other vertices, splitting the polygon into triangles. If the polygon has n sides, there will be n−2 triangles. Each triangle's angles add up to 180°. So the sum of all the interior angles is:

S = (n−2) 180°