+0

0
134
3
+184

Find the sum of all integral values of \$c\$ with \$c\le 25\$ for which the equation \$y=x^2-7x-c\$ has two rational roots.

Apr 2, 2021

#1
-1

The sum of all integral values of c is 58.

Apr 2, 2021
#2
+184
0

Thank you but it says that's wrong.

Apr 2, 2021
#3
+114101
+1

I expect it is integer values, not integral values

\(two\;\;rational \;\;roots \;\;if\;\; \\ b^2-4ac>0\\ 49+4c>0 \\ 4c>-49 \\ c > -12.25 \)

-12+-11+ .......+0 + 1 + ....... +25 =

You can finish it

Apr 2, 2021