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Current time:0:00Total duration:1:16

Video transcript

we're asked to reflect this line across the line y is equal to negative four so you have this line right over here and they actually give us all of these transformation tools right over here where we can translate rotate reflect dilate or undo what we were about to do so they want us to reflect this line across Y is equal to negative four so let's get the reflection tool out the reflection tool so I clicked reflect and let's let's make this equal let's make this or let's make this line be y equals negative four so let's see that would look something y equals negative four so we're going to reflect this line across y equals negative fourth so let's reflect it and there you have it we reflected it across y equals negative fourth and then they asked us to answer some questions when a line is reflected the image created is a line we know this is true because the reflected image well this the original image had zero endpoints these are just two points on the line they're not endpoints they're not they're not defining the end of the line if they were both endpoints would be a line segment but this line keeps going in both directions so we know this is true because the reflected image has zero endpoints and we got it right