EM-387

Equation of a straight line

E Math · Secondary 3 · Hard · Equation of a straight line

A straight line has gradient

\dfrac{3}{4}

and passes through the point

(2,1)

. What is its equation in the form

y = mx + c

?

$y = \dfrac{3}{4}x - \dfrac{1}{2}$
$y = \dfrac{3}{4}x + \dfrac{1}{2}$
$y = -\dfrac{3}{4}x - \dfrac{1}{2}$
$y = -\dfrac{3}{4}x + \dfrac{1}{2}$

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