The length of a rectangle is 7/6 its width, w. Which expression represents the perimeter of the rectangle?
1 answer:
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Answer: y = (1/4)x - 1
Step-by-step explanation:
Slope intercept form is . The
-intercept is -1 so we have
. To find
, look at the points
and
. The line goes up 1 and over 4, so the slope,
, equals
. Thus the full equation is
.
Answer: B = (6,-8)
Step-by-step explanation:
first the midpoint formula is
then you take the x co-ordinate of A and substitute it into one of the x values in the first part of the formula:
then solve it like an equation:
then you take the y co-ordinate of A and substitute it into one of the y values in the second part of the midpoint formula:
then solve it like an equation:
∴ the answer is x=6, y= -8
which is expressed as a point, B(6,-8)