Question

Write the following as an algebraic expression;

a) Half the sum of X and y
b) Half the cube of X subtracted from y​

Answer 1

1/2(x + y)

Explanation:

The sum of x and y is x + y

1/2 the sum of x + y is 1/2(x + y)

1/2 x^3

This is subtracted from y

y - 1/2 x^3