Answer:
Step-by-step explanation:
Given
x² - 3x
To make the expression a perfect square
add ( half the coefficient of the x- term )²
x² + 2( - )x +
, thus
x² - 3x +
= (x - )² ← a perfect square
What type of association and correlation are shown by the scatterplot? On a graph, points are grouped closely together and incre
2 answers:
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Answer:
The first three terms of the series are 8, 10 and 12. The number of terms is 12 to make the sum 228.
Step-by-step explanation:
The series is defined as
Put n=1.
Put n=2.
Put n=3.
The first three terms of the series are 8, 10 and 12.
It is an arithmetic series. The first terms is 8 and the common difference is
The sum of n terms of an arithmetic series is
Equate each factor equal to zero.
The number of terms can not be negative, therefore the value of n must be 12.