SOLUTION: Please explain and answer these two homework questions: 1) If r(x)= -2x^2-3x-3, find r(-4) 2) -3{((-4-1)-(-6^0-2)-1)-1} + or - sqroot of 9 Thanks

Algebra ->  Expressions-with-variables -> SOLUTION: Please explain and answer these two homework questions: 1) If r(x)= -2x^2-3x-3, find r(-4) 2) -3{((-4-1)-(-6^0-2)-1)-1} + or - sqroot of 9 Thanks      Log On


   

Question 1081342: Please explain and answer these two homework questions:
1) If r(x)= -2x^2-3x-3, find r(-4)
2) -3{((-4-1)-(-6^0-2)-1)-1} + or - sqroot of 9
Thanks
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
r(x)= -2x^2-3x-3, find r(-4)
r(-4)=-2(-4)^2-3(-4)-3=-32+12=3=-23
-3{((-4-1)-(-6^0-2)-1)-1} + or - sqroot of 9
-3((-5)-(-1-2)-1)-1) +/-3
-3(-4)+/- 3
12+/-3
9, 15