28.9k views
4 votes
Evaluate the expression below when x = -1. 2x2 − 5 x + 9 -7 8 -3 8 -1 8 -1

User Gleno
by
8.3k points

1 Answer

4 votes
plug in the -1 inside the given equation:

y=2x²-5x+9-78-38-18-1

y=2(-1)²-5(-1)-126= -119
User Kingsley Adio
by
8.3k points