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anzhelika [568]
3 years ago
14

Write a system of linear equations for the graph below

Mathematics
1 answer:
Serjik [45]3 years ago
7 0

Answer:

y = -3x + 3

y=\frac{1}{3}x-7

Step-by-step explanation:

Slope of a line passing through two points (x_1, y_1) and (x_2, y_2) is determined by the formula,

Slope = \frac{(y_2-y_1)}{(x_2-x_1)}

If these points are (0, 3) and (3, -6),

Slope of the line passing through these lines = \frac{3+6}{0-3} = (-3)

Equation of the line which passes through (0, 3) and slope = (-3),

y - y' = m(x - x')

y - 3 = (-3)(x- 0)

y - 3 = -3x

y = -3x + 3

Now slope of another line that passes through (3, -6) and (0, -7),

m' = \frac{(-6+7)}{(3-0)}

m' = \frac{1}{3}

Equation of the line that passes through (0, -7) and slope = \frac{1}{3}

y - (-7) = \frac{1}{3}(x-0)

y + 7 = \frac{1}{3}x

y = \frac{1}{3}x-7

Therefore, system of linear equations are,

y = -3x + 3

y=\frac{1}{3}x-7

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