jessie has some chickens and rabbits. there are 30 heads and 76 legs in all. How many chickens and rabbits does jessie have?
1 answer:
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You have several possible points . Any point that lies on the given line will have a
value that you obtain by plugging in the corresponding value of
into the equation of the line.
The line has equation , so any point on the line will have the form
.
Among the four given points, there are only 2 different values of to check. We have
which means the given line contains the points (4, -5) and (1, 4). So the answer is A.