math

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The graph of an equation in the form y=mx + b is a
straight line. Can the equation of every straight line be
written in the form y=mx + b (Hint: What is the
equation of a vertical line?)

• math -

What IS the equation of a vertical line? That is the key to your answer.

• math -

so the equation for vertical line is x=a. So it would be false?

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