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Levart [38]
3 years ago
13

Please help me asap

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
6 0

The equation of a line is y = mx + b  [m is the slope, b is the y-intercept or the y value when x = 0  ---->  (0, y) or the point where the line goes through the y-axis]

To find the slope, you use the slope formula (m):

m=\frac{y_2-y_1}{x_2-x_1}           and plug in 2 points

I will use the points (0, 0) and (1, 8)

(0, 0)  ---->  (x₁, y₁)

(1, 8) ---->   (x₂, y₂)

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{8-0}{1-0}

m = 8

Since you know m, plug it into the equation.

y = 8x + b

The graph shows that the y-intercept is 0, so plug it into the equation

y = 8x    

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