khayes7400
13.01.2021 •
Mathematics
Info about the problems: needs to be in y = mx +b form and showing the work in detail.
thanks for the help.
1, -2x + 5y =10
2, -x - 3y = -21
3, 2y - 4x = -12
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Ответ:
To solve each of these problems, we need to find
.
Problem 1Add
to both sides of the equation. Our goal is to get 
by itself.
Divide everything by
.
Problem 2Add
to both sides of the equation.
Divide everything by
.
Separate
into a coefficient and a variable.
Problem 3Add
to both sides of the equation.
Divide everything by
.
Ответ:
option D
Step-by-step explanation:
Formula of slope =
where [ x(1) , y(1) ] & [ x(2) , y(2) ] are coordinates of the points in the graph and
x(1) = 0 ; y(1) = 2 ; x(2) = -5 ; y(2) = 6
So using all these value in the formula gives :-