Question

Evaluate − x 2 −5 y 3 when x = 4 and y =−1

Answer 1

- 11

Explanation:

If x = 4, y = -1

then,

- x^2 - 5y^3 = - (4)^2 - 5(-1)^3

= - 16 + 5

= - 11

Answer 2

-11

Explanation:

I am going to assume that it is -x^2-5y^3.

-(4^2)-5(-1^3)

-16-5(-1)

-16+5

-11