Plz which line segment is a reflection of ab in the x-axis

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)