Asked by allexelle
What polynomial has a graph that passes through the given points? (-2,2)(-1,-1)(1,5)(3,67)
Answers
Answered by
Anonymous
looks like a second degree, so we can test that.
y=ax^2+bx + c
now do the data points...
2=4a-2b + c (-2,2)
-2=a-b+c (-1,-2)
5=a+b+c (1,5)
now you have three equations, three unknwns
solve by any method,then check the last data pont.
y=ax^2+bx + c
now do the data points...
2=4a-2b + c (-2,2)
-2=a-b+c (-1,-2)
5=a+b+c (1,5)
now you have three equations, three unknwns
solve by any method,then check the last data pont.
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