An artist is attempting to stretch a canvas that is 9 by 12 inches. In order to check that the canvas is actually rectangular, the artist will measure the diagonal to determine if the corners form true right angles. What length should the diagonal of the stretched canvas be?

Provide an equation

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*

Were is the diagram?