Difference between revisions of "2015 AMC 12B Problems/Problem 1"
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==Problem== | ==Problem== | ||
+ | What is the value of <math>2-(-2)^{-2}</math> ? | ||
− | + | <math>\textbf{(A) } -2\qquad\textbf{(B) } \dfrac{1}{16}\qquad\textbf{(C) } \dfrac{7}{4}\qquad\textbf{(D) } \dfrac{9}{4}\qquad\textbf{(E) } 6</math> | |
==Solution== | ==Solution== | ||
− | + | <math>2-(-2)^{-2}=2-\frac{1}{(-2)^2}=2-\frac{1}{4}=\frac{8}{4}-\frac{1}{4}=\boxed{\textbf{(C) }\frac{7}{4}}</math> | |
==See Also== | ==See Also== | ||
{{AMC12 box|year=2015|ab=B|before=First Problem|num-a=2}} | {{AMC12 box|year=2015|ab=B|before=First Problem|num-a=2}} | ||
{{MAA Notice}} | {{MAA Notice}} |
Latest revision as of 14:45, 3 March 2015
Problem
What is the value of ?
Solution
See Also
2015 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by First Problem |
Followed by Problem 2 |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
All AMC 12 Problems and Solutions |
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