SOLUTION: what is the equation of a straight line where the gradient is -2 through coordinates 1,3. as simple breakdown as possible please its been a long time.

Question 626633: what is the equation of a straight line where the gradient is -2 through coordinates 1,3. as simple breakdown as possible please its been a long time.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is the equation of a straight line where the gradient is -2 through coordinates 1,3.
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Equation form: y = mx + b
Determine "m" and "b"
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m = slope = gradient = -2
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Substitute to find "b":
3 = -2*1 + b
b = 5
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Equation:
y = -2x + 5
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Cheers,
Stan H.

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