JAMB 2014 · UTME · Q34

What is the equation of the line that passes through the yy-axis at (0,5)(0, 5) and the xx-axis at (5,0)(5, 0)?

Try it on a graph

The line through (0, 5) and (5, 0).

Worked solution (try it first)
  1. Gradient: 0−55−0=−1\dfrac{0 - 5}{5 - 0} = -1.
  2. The line cuts the yy-axis at 5, so c=5c = 5.
  3. So y=−x+5y = -x + 5, option C.

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