What is the x-intercept of the line given by the equation 4x + 5y - 20 = 0?

Practice Questions

Q1
What is the x-intercept of the line given by the equation 4x + 5y - 20 = 0?
  1. 4
  2. 5
  3. 20
  4. 0

Questions & Step-by-Step Solutions

What is the x-intercept of the line given by the equation 4x + 5y - 20 = 0?
  • Step 1: Start with the equation of the line: 4x + 5y - 20 = 0.
  • Step 2: To find the x-intercept, we need to set y = 0 because the x-intercept is where the line crosses the x-axis.
  • Step 3: Substitute y = 0 into the equation: 4x + 5(0) - 20 = 0.
  • Step 4: Simplify the equation: 4x - 20 = 0.
  • Step 5: Add 20 to both sides of the equation: 4x = 20.
  • Step 6: Divide both sides by 4 to solve for x: x = 20 / 4.
  • Step 7: Calculate the value: x = 5.
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