anonymous
  • anonymous
How many solutions does the system have? x = -4y + 4 2x + 8y = 8 A. one solution B. two solutions C. infinitely many solutions D. no solution
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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ParthKohli
  • ParthKohli
Multiplying the first equation by 2:\[2x = -8y + 8 \]
ParthKohli
  • ParthKohli
Also, subtracting 8y from both sides in the second equation:\[2x = -8y + 8\]
anonymous
  • anonymous
There is a lot of solutions

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ParthKohli
  • ParthKohli
We now have the following equations:\[2x = -8y + 8\\2x = -8y + 8\]
ParthKohli
  • ParthKohli
A lot? Uncountable! Infinity!
ParthKohli
  • ParthKohli
lol
anonymous
  • anonymous
yes a very lot
ParthKohli
  • ParthKohli
A lot lot lot lot!
anonymous
  • anonymous
You can see that without solving the system.
anonymous
  • anonymous
You can mentally arrange the unknows at the left hand side. and see that the second equation is the first one multiplied by 2
anonymous
  • anonymous
so you have only one equation with two unknows. that means a lot of solutions.

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