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justin20080
11.07.2019 •
Mathematics
Two equations and their graphs are given. find the intersection point(s) of the graphs by solving the system. x2 + y = 0 x3 − 12x − y = 0 (x, y) = ( ) (smaller x-value) (x, y) = ( ) (x, y) = ( ) (larger x-value)
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Ответ:
x² +y = 0
x³ -12x -y = 0
Findthe intersection point(s) (x, y)
SolutionAdd the two equations together, then factor.
... (x² +y) + (x³ -12x -y) = 0 + 0
... x³ +x² -12x = 0
... x(x +4)(x -3) = 0
Then x = {0, -4, 3}.
The corresponding y-values are
... y = -x² = {0, -16, -9}
The points of intersection are (-4, -16), (0, 0), (3, -9)
Ответ:
Is there a screenshot because this question makes no sense
Step-by-step explanation: