The floor in Carla’s room is the shape of a rectangle. The length is twice the width. If w represent sthe width of the room, which variable expressions can be used to find the perimeter of the room? (Select two.)

The floor in Carla’s room is the shape of a rectangle. The length is twice the width. If w represen

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Ответ:

lauramount

25.02.2021

Mathematics

k = -18

Step-by-step explanation:

If x-3 is a factor, what this means is that if we substitute;

x = 3 into the equation, we should get 0

This is from the factor theorem

Thus ;

P(3) = 0 = 2(3)^3 -5(3)^2 + 3(3) + k

0 = 54 - 45 + 9 + k

k + 18 = 0

k = -18

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