Which ordered pair would form a proportional relationship with the point graphed below?
20+
10+
-40-30 -20 -190
78 20 30 40 x
(20,-10)
--20+
130+.
-40
(10.-20)
(-30, 20)
(-10,5)
(35.-20)

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.