Question

PLEASE HELP

Answer 1

Answer:

y = 50x + 20

Step-by-step explanation:

finding slope or gradient, choose any two points on the line i.e (2.0, 120) and (0.0, 20)

m = (y2 - y1)/(x2 -x1)

= (120-20)/(2.0-0.0)

= 100/2

= 50

finding the equation of the line using point (0,20)

=> y = mx + c

=> 20 = 50*0 + c

=> c = 20

so equation of the line

=> y = 50x + 20

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Answer 2

Answer:

y = 50x + 20

Step-by-step explanation:

$m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }$

Use the slope-intercept formula to find the slope.

$m = \frac{120 - 20}{2 - 0}$

$m = \frac{100}{2} = 50$

The y-intercept is where the line crosses the y-axis.