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

Yossi Sternlicht asked Jan 27, 2023

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6 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

Yossi Sternlicht asked Jan 27, 2023

2.5k points

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20 votes

Answer:

Explanation:

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

Micahtan answered Feb 3, 2023

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