Which equations have no real solution but have two complex solutions?
1 answer:
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Solution :
It is given that we have a null and an alternative hypothesis. The hypothesis are :
We have to find if the cost of average home has decreased or not in this month.
So it is given that the test statics is -1.79, so the p value associated with the test statics is less than ( α ) 0.01
Therefore, we can conclude that the cost of the average house is less than $ 240,000.
Answer:
x^2 +4x -21 thats the answer if you foil the expression, and it is put in standard form
