Question

How do I write An equation in point slope form for this: A train travels at a rate of 70 mph. Two hours after leaving the station it is 210 miles from it's destination.

Answer 1

???

Answer 2

the question gives you the slope - 70 , and one example to find the constant (b)

Answer 3

y = 70x +b

Answer 4

210 = 70*2 + b

Answer 5

b = 210 - 140 = 70

Answer 6

y = 70x + 70

Answer 7

Thanks Chris

Answer 8

np man

Answer 9

YOU DA MAN!