Evaluate the following expression using the values given: find -a^2-3b^3+c^2+2b^3-c^2 if a=3, b=2, and c=-3.
1) -67
2)-17
3)-31
4)1

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,