Question

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Use the graph to find the constant of variation. Then write the direct variation equation.11

Question 2 options:


constant of variation= 1/2; y = 1/2 x


constant of variation = 2; y = 2x


constant of variation = -1/2; y = -1/2 x


constant of variation = =2; y = =2x

Answer 1

constant of variation = 2 and equation of line y = 2x

Step-by-step explanation:

we will first note corresponding values of x & y from graph

x. y

-2. -4

-1. -2

0. 0

1. 2

2. 4

equation of a line

y = mx + c

as one point it passes through is 0,0

0 = 0 + c

c = 0

so y = mx

let's use x= 1 & y = 2

2 = m ×1

m = 2

m is the constant of variation = 2

equation of line

y = 2x

Answer 2

Step-by-step explanation:

Use the section formula and then use mid point for me