Math 110 Week 7 Test NEWLY UPDATED Math 110 Week 7 Test NEWLY UPDATED, Exams of Nursing

Download Math 110 Week 7 Test NEWLY UPDATED Math 110 Week 7 Test NEWLY UPDATED and more Exams Nursing in PDF only on Docsity! Math 110 Week 7 Test UPDATED ANSWERS Math 110 Week 7 Test Which shape is defined by the equation x24 − y29 = 1? Circle Ellipse Parabola Hyperbola None of the above. View answer 2. Which shape is defined by the equation 2x225 + (y−3)249 = 1? Circle Ellipse Parabola Hyperbola None of the above. View answer 3. Which shape is defined by the equation (x − 3)2 + (y + 2)2 = 25? Circle Ellipse Parabola Math 110 Week 7 Test UPDATED ANSWERS Hyperbola None of the above. View answer 4. Which shape is defined by the equation y = 2x2 − 3? Math 110 Week 7 Test UPDATED ANSWERS (7, 0) and (-7, 0) (10, -5) and (-4, -5) (0, 5) and (0, -5) (3, 0) and (3, -10) View answer 11. What is the value of p in the equation y2 = -12x? -12 -4 -3 4 12 View answer 12. What is the directrix of the shape defined by the equation (y − 3)2 = -12x? x = -3 y = 0 x = 1 y = 6 x = 3 View answer 13. What is the focus (are the foci) of the shape defined by the equation x225 + y29 = 1? (0, 2) and (0, -2) Math 110 Week 7 Test UPDATED ANSWERS (2, 0) and (-2, 0) (4, 3) and (-4, -3) (4, 0) and (-4, 0) (0, 4) and (0, -4) View answer 14. What is the focus (are the foci) of the shape defined by the equation (x+2)225 − (y−1)2144 = 1? (13, 0) and (-13, 0)) (-15, 1) and (11, 1) (-5, 12) and (-5, 12) (3, 17) and (1, -11) (-2, 1) and (5, 12) View answer 15. Which parabola has a vertex at the (0, 3) and opens to the right? y = x2 + 3 y = -(x + 3)2 x = y2 − 3 x = (y − 3)2 -(x + 3)2 = (y − 3)2 View answer 16. What is the equation of the parabola that has a vertex at (1, 2) and a directrix at y = -2? x2 = 8(y + 4) Math 110 Week 7 Test UPDATED ANSWERS (x − 1)2 = 16(y − 2) x2 = 24(y − 8) y2 = 12(x − 4) y2 = 20(x − 10) View answer 17. Complete the square to find the equation of the parabola in the problem y = x2 + 6x + 11 in standard form. y = (x + 3)2 + 2 y = (x + 6)2 − 5 y = (x − 3)2 + 20 y = (x − 6)2 + 11 y = 6x2 + 9 View answer 18. If the speed of a car with a turbo engine can be modeled as a function of time using the parabolic equation s(t) = 2t2, how many seconds will it take the car to exceed the 60 mph? 4 5 6 7 8 View answer 19.