Which of the following represents a dilation?

a. image in a lake
b. rolling bicycle wheel
c. rearranging furniture in a room
d. model airplane

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Option: D is the correct answer.

        D.   Model Airplane.

Step-by-step explanation:

Dilation--

Dilation is a process of resizing something. It is just a transformation that changes the size of a  figure by some specific rule.

The factor by which our figure changes is known as a scale factor.

If scale factor is strictly less than 1 then the figure is shrinked and if the scale factor is strictly greater than 1 then the figure is expanded of its original figure and if it is equal to 1 then it is of the same size.

Hence, when we model a airplane we have to make a smaller figure as compared to the original airplane.

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

the answer is true.

step-by-step explanation: