Question 6(Multiple Choice Worth 40 points) (04.04 MC) Which of the following is the equation for the graph shown? graph of an e
llipse on a coordinate plane going through approximately 0 comma 6, 0 comma negative 6, 4 and one half comma 0 and negative 4 and one half comma 0 with points inside ellipse at 0 comma negative 4 and 0 comma 4, and lines y equals 9 and y equals negative 9 x squared over 20 plus y squared over 36 equals 1 x squared over 36 plus y squared over 20 equals 1 x squared over 20 minus y squared over 36 equals 1 x squared over 36 minus y squared over 20 equals 1
1 answer:
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Use the Pythagorean theorem:
c - a hypotenuse
a, b - legs
We have: a = 9 and c = 12. Substitute:
<em>subtract 81 from both sides</em>
A Pythagorean triple consists of three positive integers a, b and c, such that
.
is not positive integer.