De is dilated from the origin to create d'f' at d' (0,3) and f' (2.25. 1.5). what scale factor was df dilated by?
00.5
o 0.75
01.3
o 1.5

Ican’t sorry i would if i could

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.