Question 18 of 20: Select the best answer for the question. 18. What's the standard form...
Question 7 of 20 : Select the best answer for the question. 7. Find the standard form of the equation of the ellipse satisfying the following conditions: Foci: (-3,0), (3, 0); vertices: (-7, 0), (7,0) O A. x² ² + 40 49 O B. x2 + y2 = 1 49 40 O c. x2 + y2 - 1 9 49 D. x² + y² 9 40 -1
Question 18 of 20 : Select the best answer for the question. 18. What's the equation of the graphed exponential function below? 10 |||||||| |||||||||||- -10 -5 | ||| X4 || 女|||||||| -10 O A. f(x) = logX O B. f(x) = 1 - logX OC. f(x) = log2 -X OD. f(x) = - logX
Question 20 of 20 : Select the best answer for the question. 20. What's a parameterized version of the curve given by y-3 = x + sin x? O At=-3 = y. t + sin t = x O B. t = x, sin x - y + 3 O C. y = -3t, x = y + sint OD. X = t, y=t+ sint + 3
1) Rewrite the following equation in standard form 2) Which equation would represent a parabola opening to the left? 3) Which of these best decribes the graph represented by the equation above? Rewrite the following equation in standard form: -16x2 + 160x +9y2 – 108y – 220 = 0 W (7-6) (x-5) = 1 9 16 (y-6) ² (x-5) o -1 16 9 (x-5)2 (y-6) 9 = 1 16 (x-5) (-6) 1 o 9 16 Which equation would represent a...
CONIC SECTIONS Graphing a hyperbola given its equation in standard form v + Х Graph the hyperbola. please box where to put points (y+4) (x-5) 1 25 16 14 0 3 UN P 12
Question 13 of 20 Select the best answer for the question. 13. What's the slope of the line that passes through the points (-5,-8) and (3, 8)? A. 2 D.-2 Mark for review (Will be highlighted on the review page) <--(Please use these buttons for navigation browser buttons) Previous Question Next Question
Question 4 of 20: Select the best answer for the question 4. A baseball pitcher throws a baseball with an initial velocity of 128 foot per second at an angle of 20 to the horizontal. The ball leaves the pitcher's hand at a height of 4 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What's the...
9. (2 points) 4. Find the standard form of the equation of the parabola with a focus at (0, -9) and a directrix y 1 x2 9 y Oy2-36x x2 36 y Oy2 = -9x 5. Find the standard form of the equation of the parabola with a focus at (7, 0) and a directrix at x = -7. (2 points) 1 x2 28 1 X = y2 28 -28y x2 Oy2 14x = 9. (2 points) 4. Find the...
s. Find the standard form of the equation for a hyperbola with foci (5, -8) and (3 and vertices (4, -8) and (-2,-8). Sketch its graph. Find the standard form of the equation for a hyperbola with vertices at (-2,-5) and (-2, 7), and asymptote y x+4. Sketch its graph. 9.
Question 6 of 20 Select the best answer for the question. 6. If a decorative sign in the form of a circle has a diameter of 10 feet, what it the area of the sign, to the nearest square foot? A. 31 ft2 B. 79 ft2 C. 16 ft2 D. 157 ft Question 7 of 20 Select the best answer for the question. The sides of a central angle in a circle are A. two radii B. a tangent and...