Quiz 3 Oct. 18, 2006

Calculus I Name:

Ver 1 Student ID:

Quiz 3

Oct. 18, 2006

1. (8 pts) Find parametric equations for the line segment joining the points (4, 7) and (2, 3).

Ans:

{ x = 4− 2t,

y = 7− 4t 0≤ t ≤ 1

2. (6 pts) Which one is not a polar coordinate representation for the rectangular points (1,√

3).

A) (2,^π₃), B) (−2,^4π₃ ), C) (−2,^π₃), D) (−2, −^2π₃ ) Ans: C

3. (6 pts) Which one is the graph of

{ x = t³, y = t²− 1

(A) (B) (C) (D)

Ans: B

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