Determine whether the quadrilateral is a parallelogram using the specified method. .
.
.
D(-8,1)
E(-3,6)
F(7,4)
G(2,-1)

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step-by-step explanation:

the answer to question 1 is -8, 28.

step-by-step explanation:

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost