volume_mute
Order the steps of evaluating the following expression to know the answer
publish date: 2022/08/20 11:10:00 GMT+10
volume_muteSubstitute for x = 3 and y = -4
y3 + y2
(1) 
(2)
(3)
(4)
Please drag and drop the selected option in the right place or type it instead
(-4)3 + (-4)2
-48
-64 + 16
y3 + y2
Correct Answer
(1) y3 + y2
(2) (-4)3 + (-4)2
(3) -64 + 16
(4) -48
Explanation
Strategy We will replace each and in the expression with the given value of the variable, and evaluate the expression using the order of operation rules.
WHY To evaluate an expression means to find its numerical value, once we know the value of its variable(s).
Note: x was never used since the expression uses y only
Reference
Mathematics for college students