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Elza [17]
3 years ago
11

Write an equation of the line that passes through (−2,3) and (0,8).

Mathematics
1 answer:
nasty-shy [4]3 years ago
4 0

Answer:

y  = \frac{5}{2}x + 8

Step-by-step explanation:

(-2 , 3 ) ; (0 , 8)

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

          = \frac{8-3}{0-[-2]}\\\\=\frac{5}{0+2}\\\\=\frac{5}{2}

   m = 5/2 ; (0 , 8)

Equation: y -y1 = m(x -x1)

               y - 8 =\frac{5}{2}(x - 0)\\\\y - 8 =\frac{5}{2}x\\y  = \frac{5}{2}x + 8

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Answer:

B: {(3,1), (7,9)}

Step-by-step explanation:

For equation 2x-y=5, we can isolate y, so it's easier to solve later:

y = 2x - 5

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Now, notice that both equations are equal to y, so we can set them equal to each other:

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Now, we can factorize by finding 2 numbers that multiply to 21 and add up to -10:

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