If x=3, y=4, what is x^2 + y^2?
If x=3, y=4, what is x^2 + y^2?
Approach: Sum of squares.
25. 9 + 16 = 25.
Follow-up: What is the square root of the result?
Key concepts: pythagorean theorem.
If x=3, y=4, what is x^2 + y^2?
Approach: Sum of squares.
25. 9 + 16 = 25.
Follow-up: What is the square root of the result?
Key concepts: pythagorean theorem.