gracemariehill gracemariehill

19-07-2018
Mathematics

contestada

Choose the system of equations which makes the following graph:

a) 3x + 5y = -25
x - 5y = 5

b) 3x + 5y = -25
x + 5y = -5

c) 3x - 5y = 25
x + 5y = -5

d) 3x - 5y = 25
x - 5y = 5

Choose the system of equations which makes the following graph a 3x 5y 25 x 5y 5 b 3x 5y 25 x 5y 5 c 3x 5y 25 x 5y 5 d 3x 5y 25 x 5y 5 class=

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mathecoach mathecoach

27-07-2018

(5 | -2) should be the solution of the equations

So it workt for c)

c)

3*(5) - 5*(-2) = 25

(5) + 5*(-2) = -5

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