Difference between revisions of "2002 AMC 10B Problems/Problem 13"
(→Solution) |
|||
| Line 10: | Line 10: | ||
As <math>(4y + 1)(2x - 3) = 0</math> must be true for all <math>y</math>, we must have <math>2x - 3 = 0</math>, hence <math>\boxed{x = \frac 32}</math>. | As <math>(4y + 1)(2x - 3) = 0</math> must be true for all <math>y</math>, we must have <math>2x - 3 = 0</math>, hence <math>\boxed{x = \frac 32}</math>. | ||
| − | |||
| − | |||
== See Also == | == See Also == | ||
{{AMC10 box|year=2002|ab=B|num-b=12|num-a=14}} | {{AMC10 box|year=2002|ab=B|num-b=12|num-a=14}} | ||
Revision as of 16:05, 30 December 2009
Problem
Find the value(s) of 
such that 
is true for all values of 
.
Solution
We have 
.
As 
must be true for all , we must have 
, hence 
.
See Also
| 2002 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 12 |
Followed by Problem 14 | |
| 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 10 Problems and Solutions | ||
