vasquezcochran vasquezcochran

04-04-2018
Mathematics

contestada

(2,-2)
3x+y=4
x-3y=-4

Find if the intercept ls correct by substituting the x and y

Please feel free to ask questions
THANK YOU

Respuesta :

SINAZEUS SINAZEUS

04-04-2018

you should put 2 as x, -2 as y and b as the y intercept

3x+y=4
[tex]3 \times 2 - 2 = b \\ 4 = b [/tex]
the first one is true

x-3y=-4
[tex]2 - 3 \times ( - 2 )= b \\ 2 - (- 6) = b \\ 8 = b[/tex]
the second one is wrong

good luck

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