Hi! Please help solve the problem below..

A triangle is made from the coordinate axes and the line 4x+5y+p=0 . The area of the triangle is 10 square units. What is the value of p?

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- Jul 25th 2012, 08:50 PMbbutaleLinear relations and graphs
Hi! Please help solve the problem below..

A triangle is made from the coordinate axes and the line 4x+5y+p=0 . The area of the triangle is 10 square units. What is the value of p? - Jul 25th 2012, 09:22 PMpickslidesRe: Linear relations and graphs
Solving for the x & y intercepts then applying the formula for the area of a triangle you should get

$\displaystyle 10 = \frac{1}{2} \times \frac{-p}{4} \times \frac{-p}{5}$

Solve for p