The midpoint of BC = D
x(mid) = (x(B) + x(C)) / 2 = (-2 + 4) / 2 = 1
y(mid) = (y(B) + y(C)) / 2 = ( 3 + 1) / 2 = 2
=> D(1,2)
In order to get an 81 average,
the student has to get 81x5=405
71+96+90+73+?=405
330+?=405
405-330=75
he needs to get an 75
Type this question, It is blurry.
Answer:
trinomial
Step-by-step explanation:
-x² - 1/2 + x
if you are asking for the specific name, it is a trinomial because there are 3 terms.