(those are square roots btw ^)
A) 0
B) 1
C) 2
D) 17
E) infinitely many
A) 0
B) 1
C) 2
D) 17
E) infinitely many
-
sqrt(y) = sqrt(x) - sqrt(17)
y = [ sqrt(x) - sqrt(17) ]^2
y = x - 2sqrt(17x) + 17
For any given x, where x>=0, there is a y value; mind you, for most integer for x will give an irrational y, except for 0, 17, 17^3, 17^5, etc. and their applicable recipricals. There are infinitely many solutions.
Answer E.
y = [ sqrt(x) - sqrt(17) ]^2
y = x - 2sqrt(17x) + 17
For any given x, where x>=0, there is a y value; mind you, for most integer for x will give an irrational y, except for 0, 17, 17^3, 17^5, etc. and their applicable recipricals. There are infinitely many solutions.
Answer E.