Arocket is shot into the air with an initial velocity of 800m/sec. the equation h(t) = -16t squared + 1440t models the height of the ball. how long does it take for the rocket to hit the ground?

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.