166k views
16 votes
What is the value of c to complete the perfect trinomial? r^2+34r+c

User Elon Than
by
4.2k points

1 Answer

4 votes

Answer:

c = 289

Explanation:

The discriminant is equal to zero. a = 1, b=34


b^(2) -4ac=0\\(34)^(2) -4(1)c=0


1156-4c=0


-4c=-1156


c=(-1156)/(-4) =289

Hope this helps

User MaLio
by
4.2k points