michellemonchez103

04.08.2019 • 

Mathematics

Ihave 3 questions that need answers a s a p how many solutions does this system have? y=-3x -9x - 4y a. one b. two c. infinite d. none how many solutions does this system have? x+4y=6 y=2x-3 a. one b. two c. infinite d. none how many solutions does this system have? 12x-4y=-8 y=3x+2 a. one b. two c. infinite d. none

Ответ:

anonymous1813

16.03.2022

Mathematics

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12x-4y=-8
y=3x+2 can sub for y in the first equation:  12x - 4(3x+2) = -8

Then 12x - 12x - 8 = - 8

This is true for all x, so there are infinitely many sol'ns.

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Ответ:

laurarafferty13

21.03.2020

Mathematics

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Yes that is the correct answer, I did the same test today

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