Consider 6x2 + 6x + 1. Which term immediately tells you that this expression is NOT a perfect square trinomial? Justify your ans
2 answers:
Answer:
Option B
Step-by-step explanation:
Given is a quadratic expression as
This is not a perfect square because the last term 1 is a perfect square.
So if the whole term is to be a perfect square since last term is a perfect square the leading term also has to be a perfect square.
But 6x square though x square is a square 6 is not a perfect square
So this cannot be a perfect square
Answer is
Option B.
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Answer:
Step-by-step explanation:
Given that for a sample size of 25, sample mean = 102 lbs. and sample std deviation = 10 lbs.
(Right tailed test)
Given that we assume population is normally distributed
Test statistic:
Mean difference = +2
Std error of sample =
t = test statistic = Mean diff/Std error
degree of freedom
Critical value of t = 1.711
Our test statistic >1.71
Accept alternate hypothesis
Because there is significant difference between the test statistic and test statistic lies above critical value.