



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.