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PLEASE HELP!! I DON'T UNDERSTAND!!!!! I WILL MARK!!!!

PLEASE HELP!! I DON'T UNDERSTAND!!!!! I WILL MARK!!!!-example-1
User WPFNewbie
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2 Answers

17 votes
17 votes

Answer: 2

Explanation:

The question is asking you to substitute the b with 4 and find the solution to the expression.


(1)/(2)b^(2) -6


=(1)/(2)(4)^(2) -6


=(1)/(2)(16) -6 (PEMDAS so you do the exponent first)


=8 -6 (PEMDAS so you do the multiplication first)


=2

User Curtis Olson
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3.1k points
28 votes
28 votes

Answer:

2

Explanation:

first use order of operations.

1/2(4^2)-6

1/2*16-6

then simplify to get:

8-6=2

User Han He
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3.0k points