Compute each expression and compare.
-$9^{2}-3^{2} ;(9-3)^{2}$
A) 12; 12; both are equal
B) 72; 12; difference of squares is greater than square of difference
C) 72; 36; difference of squares is greater than square of difference
D) 12; 36; square of difference is greater than difference of squares

Question

Quizplus · Accepted Answer

Calculating each expression: $9^{2}-3^{2} = 81-9 = 72$ and $(9-3)^{2} = 6^{2} = 36$. Thus, the difference of squares (72) is greater than the square of the difference (36).

Compute Each Expression and Compare 92−32;(9−3)29^{2}-3^{2} ;(9-3)^{2}92−32;(9−3)2 A) 12; 12; Both Are Equal B) 72; 12; Difference

Compute Each Expression and Compare $9^{2}-3^{2} ;(9-3)^{2}$ A) 12; 12; Both Are Equal
B) 72; 12; Difference