1) Is 6x-xy=4 a linear equation? Why?
2) Pool capacity is 10,080 gallons which drains at 720 gallons per hour. At how many hours, will it be completely drained?
3) Graph 2x+4y=16 using x and y intercepts,
6x-xy 4 is not a linear equation since xy term is involved. (this is of second degree; one for x and one for y)
2) 10080/720 = 1008/72 = 252/18 = 126/9 =42/3 =14
After 14 hours, it will be completely draines
By putting y=0
x intercept = 16/2 =8 ;
By putting x=0
y intercept =16/4 =4l
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