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chicagochica5
Group Title
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
 2 years ago
 2 years ago
chicagochica5 Group Title
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
 2 years ago
 2 years ago

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ParthKohli Group TitleBest ResponseYou've already chosen the best response.1
Multiplying the first equation by 2:\[2x = 8y + 8 \]
 2 years ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.1
Also, subtracting 8y from both sides in the second equation:\[2x = 8y + 8\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
There is a lot of solutions
 2 years ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.1
We now have the following equations:\[2x = 8y + 8\\2x = 8y + 8\]
 2 years ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.1
A lot? Uncountable! Infinity!
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
yes a very lot
 2 years ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.1
A lot lot lot lot!
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
You can see that without solving the system.
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
You can mentally arrange the unknows at the left hand side. and see that the second equation is the first one multiplied by 2
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
so you have only one equation with two unknows. that means a lot of solutions.
 2 years ago
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