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# For how many different negative values of x is $\sqrt{x +150}$ a positive integer?

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For how many different negative values of x  is $\sqrt{x +150}$ a positive integer?

Apr 10, 2020

#1
+20967
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Hint:  how many perfect squares are there between 0 and 150?

Apr 10, 2020
#2
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12 perfect squares

Guest Apr 10, 2020
#3
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a=-149;c=2#(a+150);printc, a; a++;if(a<100, goto1, 0)
OUTPUT:
-149, -146, -141, -134, -125, -114, -101, -86, -69, -50, -29, -6 = 12 negative values.

Apr 10, 2020