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For part d. - the acceleration each time the velocity is zero. I understand we need to do the quadratic formula, but I kept getting 6 and 2 from that formula. Where do we get -12,12 from?

For part d. - the acceleration each time the velocity is zero. I understand we need to do the quadratic formula, but I kept getting 6 and 2 from that formula. Where do we get -12,12 from?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 20E
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For part d. - the acceleration each time the velocity is zero. I understand we need to do the quadratic formula, but I kept getting 6 and 2 from that formula. Where do we get -12,12 from?

b. v(t) = 3t - 24t + 36 Now graph the velocity function. Choose the correct graph below. OA. O B. C. D. Av 20- 60- Av 60- -60- -20- -300- -20- When is the object stationary? t 3D 2,6 (Simplify your answer. Use a comma to separate answers as needed.) When is the object moving to the right? The object is moving to the right on the interval(s) [0,2), (6,8]) (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) When is the object moving to the left? The object is moving to the left on the interval(s) (2,6) (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) ft/s. (Simplify your answer.) 3 (1) 240)+36 = 15 15 c. The velocity of the object at t = 1 is 6 (1)-a4 = -18 - 18 ft/s. (Simplify your answer.) The acceleration of the object at t= 1 is 18 18:6 - 12,12 ft/s?. | d. The acceleration each tìme the velocity is zero is 1/2 hnttps://xlitemprod.pearsoncmg.com/api/v1/print/math -
Transcribed Image Text:b. v(t) = 3t - 24t + 36 Now graph the velocity function. Choose the correct graph below. OA. O B. C. D. Av 20- 60- Av 60- -60- -20- -300- -20- When is the object stationary? t 3D 2,6 (Simplify your answer. Use a comma to separate answers as needed.) When is the object moving to the right? The object is moving to the right on the interval(s) [0,2), (6,8]) (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) When is the object moving to the left? The object is moving to the left on the interval(s) (2,6) (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) ft/s. (Simplify your answer.) 3 (1) 240)+36 = 15 15 c. The velocity of the object at t = 1 is 6 (1)-a4 = -18 - 18 ft/s. (Simplify your answer.) The acceleration of the object at t= 1 is 18 18:6 - 12,12 ft/s?. | d. The acceleration each tìme the velocity is zero is 1/2 hnttps://xlitemprod.pearsoncmg.com/api/v1/print/math -
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