The temperature has been going down at a constant rate. In 4 hours it went down 12 degrees. Which expression best shows the temp
1 answer:
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ANSWER
(-1,2)
EXPLANATION
The given quadratic expression is:
The coefficient of the quadratic term is already 1.
So we add and subtract the square of half the coefficient of x.
We factor the first three terms to obtain
This is now in the form:
where (h,k) which is equal to (-1,2) is the vertex.