Question

Question 3(iii)

Identify the operations used (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed:

2y +17 , 2y - 17

Answer 1

$\begin{array}{ccc}\text{Expression}& \text{Operation}& \text{Reason}\\ 2y+17& \text{Multiplication and addition}& \text{It is formed by multiplying y}\\ & & \text{and 2 and adding 17 to the result}.\\ 2y-17& \text{Multiplication and subtraction}& \text{It is formed by multiplying}\\ & & \text{y and 2 and subtracting 17 from the result}.\end{array}$