x = y2 + 18y +73 A. (-9, -8) B. (-9, 0) C. (0, -8) D. (-8, -9) 29. What is the center and radius of the circle represented by the following equation? 2x2 + 2y2 + 12x 8y 24 = 0 – – A. center (-3, 2); radius = 25 B. center (-2, 3); radius = 25 C. center (-3, 2); radius = 5 D. center (-2, 3); radius = 5 30. Match the equation with the conic section it represents. x. 2x = 3y2 27 1. hyperbola – y. 16x2 = 4y2 + 64 2. ellipse z. 16x2 + 4y2 = 64 3. parabola A. x 1, y 3, z 2 – – – B. x 2, y 1, z 3 – – – C. x 3, y 2, z 1 – – – D. x 3, y 1, z 2 – – – 31. The polynomial function Q has real coefficients. If -3, 10, -3 + 7i and 9 4i are zeros of Q, what is the – smallest possible degree that Q can have? A. 6 B. 4 C. 5 D. 8 32. Find the equation of variation given y varies jointly as x and z, and inversely as the product of w and p and y =, x = 1, z = 7, w = 15, and p = 4. A. B. C. D. x. matrix B = , and AB = . Find 33. Let matrix A =, A. 1 B. 2 C. 3 D. 4
x = y2 + 18y +73 A. (-9, -8) B. (-9, 0) C. (0, -8) D. (-8, -9) 29. What is the center and radius of the circle represented by the following equation? 2x2 + 2y2 + 12x – 8y – 24 = 0 A. center (-3, 2); radius = 25 B. center (-2, 3); radius = 25 C. center (-3, 2); radius = 5 D. center (-2, 3); radius = 5 30. Match the equation with the conic section it represents. x. 2x = 3y2 – 27 1. hyperbola y. 16x2 = 4y2 + 64 2. ellipse z. 16x2 + 4y2 = 64 3. parabola A. x – 1, y – 3, z – 2 B. x – 2, y – 1, z – 3 C. x – 3, y – 2, z – 1 D. x – 3, y – 1, z – 2 31. The polynomial function Q has real coefficients. If -3, 10, -3 + 7i and 9 – 4i are zeros of Q, what is the smallest possible degree that Q can have? A. 6 B. 4 C. 5 D. 8 32. Find the equation of variation given y varies jointly as x and z, and inversely as the product of w and p and y =, x = 1, z = 7, w = 15, and p = 4. A. B. C. D. 33. Let matrix A =, matrix B = , and AB = . Find x. A. 1 B. 2 C. 3 D. 4
13-league-HS-math-1-final.docx