Home Parametric Equations Polar Coordinates Polar Form of Complex Numbers Mult. & Div. of Complex No's Powers & Roots Summary&Test

UNIT 12  :  PARAMETRIC EQUATIONS AND POLAR COORDINATES

LESSON 1:  PARAMETRIC EQUATIONS HOMEWORK QUESTIONS

 -2 2(-2)  = -4 (-2)2 –1 = 3 (-4, 3) -1 2(-1) =-2 (-1)2 –1 = 0 (-2 ,0) 0 2(0)  = 0 (0)2 –1  = -1 (0, -1) 1 2(1)  = 2 (1)2 –1  = 0 (2, 0) 2 2(2) = 4 (2)2 –1 = 3 (4, 3) 3 2(3)  = 6 (3)2 –1 = 8 (6, 8)

 0 (0, 4) 1 (40.0,47.84) 2 (80,78.56) 3 (120,67.84) 4 80(0.5)(4) = 160 (160,25.12) 5 80(0.5)(4.387) = 175.5 (175.5,0.008)

From the table, after 1 second the ball has traveled 40 ft. horizontally  and is 47.84 ft high.   After 2 seconds it has traveled approximately 80 ft horizontally and

is 78.56 ft. high.  After 3 seconds the ball has traveled approximately 120 ft horizontally and is 67.84 ft above ground.