Question

Write the equation of a line in standard form that has x-intercept (−P, 0) and y-intercept (0, R).

Rx − Py = −PR
Rx + Py = PR
Px − Ry = −PR
Px − Ry = PR


Please answer the question, and give an explanation if you can.

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Answer 1

Answer:

Rx − Py = −PR

Step-by-step explanation:

I look the exam and got it right

Answer 2

The equation of the line is Rx − Py = −PR, the correct option is A.

What is the standard equation of a line?

The standard equation of a line is given by,

y = mx+c

Here m is the slope and c is the y intercept

The x - intercept is ( -P,0) and the y intercept is ( 0,R)

The slope can be determined by

m = (y₂ -y₁)/(x₂ -x₁)

m = (R -0)/( 0 +P) = R/P

The equation of the line is

y = (R/P)x + R

Py = Rx + PR

Py - Rx = PR

Rx − Py = −PR

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