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UNIT
12 :
PARAMETRIC EQUATIONS AND POLAR COORDINATES
LESSON
1: PARAMETRIC EQUATIONS HOMEWORK
QUESTIONS
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-2 |
2(-2) = -4 |
(-2)2 –1 = 3 |
(-4, 3) |
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-1 |
2(-1) =-2 |
(-1)2 –1 = 0 |
(-2 ,0) |
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0 |
2(0) = 0 |
(0)2 –1 = -1 |
(0, -1) |
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1 |
2(1) = 2 |
(1)2
–1 = 0 |
(2, 0) |
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2 |
2(2) = 4 |
(2)2 –1 = 3 |
(4, 3) |
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3 |
2(3) = 6 |
(3)2 –1 = 8 |
(6, 8) |
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0 |
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(0, 4) |
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1 |
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(40.0,47.84) |
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2 |
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(80,78.56) |
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3 |
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(120,67.84) |
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4 |
80(0.5)(4) = 160 |
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(160,25.12) |
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5 |
80(0.5)(4.387) = 175.5 |
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(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.
