Question

Check each answer to see whether the students evaluated the expression correctly. If the answer is incorrect cross out the answer and write the correct answer. 12x + y. When x= 3 and y = 5212(3) +52 = 36 + 52 =88

Answer 1

Given:

$12x+y,x=3,y=52$

To find the value:

Substitute x=3 and y=52 we get,

$\begin{gathered} 12(3)+52=36+52 \\ =88 \end{gathered}$

Therefore, the students evaluated the expression correctly.