For the inverse variation equation xy = k, what is the constant of variation, k, when x = –2 and y = 5? –10 Negative two-fifths Five-halves 10

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