[ matrix 4&-7\\ 9&1 matrix ][ matrix x\\ y matrix ]=[ matrix 19\\ 26 matrix ] Which system of equations could the matrix equation represent ?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.