Difference between revisions of "1966 AHSME Problems/Problem 33"
m (→Solution 2) |
m (→Solution 2) |
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Solving the quadratic gets another <math>2</math> solutions for <math>x</math>. | Solving the quadratic gets another <math>2</math> solutions for <math>x</math>. | ||
− | Thus there are <math>\boxed{ | + | Thus there are <math>\boxed{\text{(D) three}}</math> solutions in total. |
~ Nafer | ~ Nafer |
Revision as of 12:04, 4 July 2020
Contents
Problem
If and , the number of distinct values of satisfying the equation
is:
Solution
Solution 2
Let and then we have Notice that the equation is possible iff or .
If then Which yields solution for .
If then Solving the quadratic gets another solutions for .
Thus there are solutions in total.
~ Nafer
See also
1966 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 32 |
Followed by Problem 34 | |
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 • 26 • 27 • 28 • 29 • 30 | ||
All AHSME Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.