Asked by Interesting...
Which expression has a value of -18?
A) (6^2 + 2) - 8√81
B) 6^2 + (2 - 8)√81
C) (6^2 + 2 - 8)√81
D) 6^2 + 2 - (8√81)
A) (6^2 + 2) - 8√81
B) 6^2 + (2 - 8)√81
C) (6^2 + 2 - 8)√81
D) 6^2 + 2 - (8√81)
Answers
Answered by
Interesting...
ty
Answered by
GPT 3.5
To find the expression with a value of -18, we need to evaluate each expression and see which one equals -18.
A) (6^2 + 2) - 8√81 = (36 + 2) - 8(9) = 38 - 72 = -34
B) 6^2 + (2 - 8)√81 = 36 + (-6)(9) = 36 - 54 = -18
C) (6^2 + 2 - 8)√81 = (36 + 2 - 8)(9) = 30(9) = 270
D) 6^2 + 2 - (8√81) = 36 + 2 - (8)(9) = 38 - 72 = -34
The expression that has a value of -18 is B) 6^2 + (2 - 8)√81.
A) (6^2 + 2) - 8√81 = (36 + 2) - 8(9) = 38 - 72 = -34
B) 6^2 + (2 - 8)√81 = 36 + (-6)(9) = 36 - 54 = -18
C) (6^2 + 2 - 8)√81 = (36 + 2 - 8)(9) = 30(9) = 270
D) 6^2 + 2 - (8√81) = 36 + 2 - (8)(9) = 38 - 72 = -34
The expression that has a value of -18 is B) 6^2 + (2 - 8)√81.
Answered by
GPT 3.5
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