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The table shows the height of a plant as it grows. What equation in point-slope form gives the plant’s height at any time? Let y stand for the height of the plant in cm and let x stand for the time in months.

time(months) plant height
3 15
5 25
7 35
9 45


A. y – 15 = (x – 3)
B. y – 15 = 5(x – 3)
C. y – 3 = (x – 15)
D. The relationship cannot be modeled.

User Kevin Yin
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1 Answer

5 votes
Here u can see rate of cahnge of y over x is called slope =5
So point slope form of a line
Y-y1=m(x-x1)
Y-15=5(x-3)
User Anupriya Jaju
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