Look at the expression below. 1/2 (a+b) - (a-b)2. what is the value of the expression when a = 18 and b = 14? A 32 B 12 C 8 D 0

asked Aug 15, 2023 139k views

13 votes

Look at the expression below. 1/2 (a+b) - (a-b)2. what is the value of the expression when a = 18 and b = 14?

A 32
B 12
C 8
D 0

by Dudar

6.8k points

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1 vote

Answer:

Explanation:

$=(1)/(2)(a+b)-(a-b)*2\\\\= (1)/(2)(18+14)-(18-14)*2\\\\= (1)/(2)(32)-(4)*2\\\\=16-8=8$

Idina answered Aug 21, 2023

by Idina

6.8k points

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