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Use a Graphing Calculator to Solve the Nonlinear System

Question 280

Multiple Choice

Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.
-The sum of the squares of the digits of a positive two-digit number is 20 , and the tens digit is 2 more than the units digit. Find the number.


A) 42
B) 35
C) 53
D) 24

Correct Answer:

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