Suppose p varies directly with d and p= 3 when d= 5. What is the value of d when p= 12
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Answer:
<h2>3x - y + 7 = 0</h2>Step-by-step explanation:
The slope-intercept form of an equation of a line:
m - slope
b - y-intercept
Put the given y-intercept b = 7 and the coordinates of the point (-2, 1) to the equation:
<em>subtract 7 from both sides</em>
<em>divide both sides by (-2)</em>
We have the equation:
Convert it to the general form :
<em>subtract 3x and 7 from both sides</em>
<em>change the signs</em>