Which numbers are imaginary numbers? there may be more than one correct answer. select all correct answers.
a) )/(2))
b) \sqrt(-7)
c) -\sqrt(4)
d) \sqrt(-8)
e) )/(7))
e) −3

Option A, B, D, E

Step-by-step explanation:

By definition, imaginary numbers are all those that contain the square root of a negative number.

For example

Then identify among the options those numbers that contain the square root of a negative number

The options that meet these characteristics are (A, B, D, E)

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for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.