Plot the point (5, 5). Using a line tool, create AB with a length of 4 units from point A. Turn on the trace feature at point B,
and move point B
around point A. keeping the length of AB fixed.
around point A. keeping the length of AB fixed.
2 answers:
Answer:
Step-by-step explanation:
Plotting a point A and tracing a point B at 4 units from A results in a circle.
▪The locus of a point at equal distance from a fixed point is a circle.
▪Point A is (5,5) and length of AB is 4 units
This implies that the radius of circle is 4 units.
▪The point B can be swirled around A keeping the distance AB constant.
▪The resulting figure is a circle.
▪This circle is plotted and attached below.
I hope this helped. I am sorry if you get it wrong
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Answer:
(a) The least-square regression line is: .
(b) The number of households using online banking at the beginning of 2007 is 31.8.
Step-by-step explanation:
The general form of a least square regression line is:
Here,
<em>y</em> = dependent variable
<em>x</em> = independent variable
<em>α</em> = intercept
<em>β</em> = slope
(a)
The formula to compute intercept and slope is:
The values of ∑<em>X</em>, ∑<em>Y</em>, ∑<em>XY</em> and ∑<em>X</em>² are computed in the table below.
Compute the value of intercept and slope as follows:
The least-square regression line is:
(b)
For the year 2007 the value of <em>x</em> is 10.
Compute the value of <em>y</em> for <em>x</em> = 10 as follows:
Thus, the number of households using online banking at the beginning of 2007 is 31.8.
