Asked by ADOG
the vertical and horizontal positions of a zip line cable are represented by the following parametric equations. Rewrite the parametric equations by elimination the the parameter.
x(t)= 3t + 4
y(t) = 5-t
a) y = -1/3x+19/3
b) y= 19 - 3x
c) y= 2x + 9
d) y= 5-x
x(t)= 3t + 4
y(t) = 5-t
a) y = -1/3x+19/3
b) y= 19 - 3x
c) y= 2x + 9
d) y= 5-x
Answers
Answered by
Reiny
from x(t)= 3t + 4
3t = x-4
t = (x-4)/3
in y = 5-t
= 5 - (x-4)/3
= (15 - x + 4)/3
= 19/3 - x/3 <---- one of your choices
3t = x-4
t = (x-4)/3
in y = 5-t
= 5 - (x-4)/3
= (15 - x + 4)/3
= 19/3 - x/3 <---- one of your choices
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