Q5. The diagram below shows the graph of the straight line x + y = 3. Determine the equation of the line which is (i) parallel to the line x + y = 3 and passes through the origin (ii) perpendicular to the line x + y = 3 and passes through the midpoint of AB.
Added by Melinda S.
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To do this, we can rewrite the equation in the slope-intercept form, which is y = mx + b, where m is the slope and b is the y-intercept. x + y = 3 y = -x + 3 Now we can see that the slope of the line x + y = 3 is -1. Since we want to find the equation of a line Show more…
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