The focus of a parabola is (2,5) and the directrix is y=3. Find the equation of the parabola in standard form. A. Y= -x^2 /4 +x-5
B. Y= -x^2 /16 -x /8 -5 /4
C. Y= x^2 /4 -x+5
D. Y= x^2 /16 -x/4 +5/4

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

What does the sign of the slope tell you about a line?

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.