zitterkoph
06.10.2020 •
Mathematics
Rectangle ABCD has a length represented by the expression 12x + 9 and a width represented by
the expression 7x - 2. Rectangle PQRS has a length represented by the expression 2x +3 and a
width represented by the expression x + 4. Which of the following expressions can be used to
represent the difference in the perimeters of Rectangle ABCD and Rectangle PQRS?
a.32x
b. 23x + 4
C.32x - 10
d. 7x + 3
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Ответ:
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Step-by-step explanation:
☆ (x₁, y₁) is the 1st coordinate and (x₂, y₂) is the 2nd coordinate.
Slope of the line
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Notice that the 2 points have the same x-coordinate of -1, which means that the line is a vertical line. Vertical lines have an undefined slope.