Problem 263

Problem 263

The graph of an equation in the from y = mx + b is a straight line. Can the equation of every straight line be written in the from y = mx + b ?

(Hint: What is the equation of a vertical line?)

 

Solution

 

every straight line which have slope greater than zero

be written in the form y=mx+b

there two other case

one is horizontal line

(y=b)and second is

vertical line (x=a)

which are not written in the form of y=mx+b

 

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