CALCULUS Avon High School Name Avan High School AP Calculus AB QUIZ 12 - Topic 4.2 Period Score / 10 Straight-Line Motion Part I. Multiple Choice Circle the best answer for each problem. Each problem is worth 2 points. You may use your TI-Nspire. You have 15 minutes. 1. Which of the following number lines depicts the correct motion for the particle moving along a straight line with the position function s(t) =13 -1212 + 45t + 2? (A) (B) (C) (D) speeding up slowing down 1 2 3 4 Xp (t) -3 5 0 2 Up (t) 1 -1 -2 3 xo(t) 4 -2 -6 1 volt 2 -3 1 -2 2. Two particles, P and Q, are moving along the x-axis. At selected times t, the positions, xp and x, and velocities vp and vo, are given in the table above. At what time t are the two particles moving toward each other? (A) 1= 1 (B) 1=2 (C) 1=3 (D) 1= 4