Question 9 of 13
1 answer:
The attached graph represents the scatter plot of the points
<h3>How to determine the scatter plot?</h3>The lists of options are not given. So, I will plot the points and upload the scatter plot as an attachment.
The points are given as:
(1,31), (2,8), (3, 38), (4, 14), (5, 22), (6, 31), (7, 27), (8, 47), (9,34), (10,3), (11, 33), (12, 35)
The above points would be plotted using the following scale:
- x: axis -> 1 interval = 10 units
- y: axis -> 1 interval = 10 units
See attachment for the scatter plot
Read more about scatter plots at:
#SPJ!
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Answer:
Step-by-step explanation:
The matrix system for the linear equations: x + 2y = 8, 2x + 6y = 9
To get the coefficient of x and y, the inverse of the first matrix (let the first matrix be A) must be known.
= (1 / determinant of A) x Adjoint of A
the determinant of A = (1 x 6) - (2 x 2) = 6 - 4 = 2
Adjoint of A =
=
=