Issouf claims that the scale factor is 1/2. which statement about his claim is correct? a- he is correct because cb is 4 and c' b' is 2. the scale factor is c'b'/cb = 2/4 = 1/2b- he is correct because he needs to subtract 2 from each side. a reduction has a scale factor that is a fraction, so it must be 1/2c- he is incorrect because it is 3. cb is actually 2+4 or 6. so one needs to multiply the pre-image length by 3 to get the image; 3 is the scale factor. d- he is incorrect because the scale factor is 1/3. cb is actually 2 + 4 = 6. cb is the pre-image, so the scale factor is c'b'/cb = 2/6 = 1/3.

The correct option is D.

Step-by-step explanation:

It is given that Issouf claims that the scale factor is 1/2.

From the given figure it is clear that

The scale factor of a figure is

The scale factor is 1/3 because CB is actually 2 + 4 = 6.

Therefore the correct option is D.

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation: