What is the equation of the line passing through (2, 3) with a slope of 2? (2021

Practice Questions

Q1
What is the equation of the line passing through (2, 3) with a slope of 2? (2021)
  1. y = 2x - 1
  2. y = 2x + 1
  3. y = 2x + 3
  4. y = 2x - 3

Questions & Step-by-Step Solutions

What is the equation of the line passing through (2, 3) with a slope of 2? (2021)
  • Step 1: Identify the point the line passes through, which is (2, 3). Here, x1 = 2 and y1 = 3.
  • Step 2: Identify the slope of the line, which is given as 2.
  • Step 3: Use the point-slope form of the equation of a line, which is y - y1 = m(x - x1), where m is the slope.
  • Step 4: Substitute the values into the point-slope form: y - 3 = 2(x - 2).
  • Step 5: Simplify the equation. Start by distributing the slope: y - 3 = 2x - 4.
  • Step 6: Add 3 to both sides to isolate y: y = 2x - 4 + 3.
  • Step 7: Combine like terms: y = 2x - 1.
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