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Which of the following points lies on the line 4x - 5y + 20 = 0?

Practice Questions

Q1
Which of the following points lies on the line 4x - 5y + 20 = 0?
  1. (5, 0)
  2. (0, 4)
  3. (4, 0)
  4. (0, -4)

Questions & Step-by-Step Solutions

Which of the following points lies on the line 4x - 5y + 20 = 0?
  • Step 1: Identify the equation of the line, which is 4x - 5y + 20 = 0.
  • Step 2: Choose a point to test if it lies on the line. In this case, we will test the point (0, -4).
  • Step 3: Substitute the x-coordinate (0) and the y-coordinate (-4) into the equation: 4(0) - 5(-4) + 20.
  • Step 4: Calculate the left side of the equation: 4(0) = 0, -5(-4) = 20, so 0 + 20 + 20 = 40.
  • Step 5: Check if the result equals 0. Since 40 does not equal 0, the point (0, -4) does not lie on the line.
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