The following measurements were taken of a tree. Do the age and height show direct variation? If so, write the equation of varia tion.
direct variation y = 0.28x
direct variation y = 0.28x + 3.6
direct variation x = 3.6y
no direct variation
2 answers:
Replace the value of x and y into the equations and see if they solve: x = -5, y = 24 24 = 0.28(-5), 24 = -1.4 False 24 = 0.28(-5) +3.6, 24 = 2.2 False -5 = 3.6(24), -5 = 86.4 False none of the given equations work, so there is no direct variation
Hello! ---------- There is no direct variation in the age and height. ---------- WORK: 0.28*-5= -1.4 0.28*-5+3.6=2.2 3.6*24=86.4 ---------- Hope this helps and have a great day!
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