Find the distance between the points on the graph. Round your answer to the tenths place.

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Understand the Problem

The question is asking to calculate the distance between two points plotted on a graph, rounding the answer to the nearest tenth.

Answer

The distance between the points is \(d \approx 3.6\).
Answer for screen readers

The distance between the points is (d \approx 3.6).

Steps to Solve

  1. Identify the coordinates of the points
    From the graph, determine the coordinates of the two points. Assuming the points are at ((x_1, y_1)) and ((x_2, y_2)):
  • The first point is at ((2, 3))
  • The second point is at ((-1, 1))
  1. Use the distance formula
    The distance (d) between two points ((x_1, y_1)) and ((x_2, y_2)) is calculated using the formula:
    $$ d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} $$

  2. Substitute the coordinates into the formula
    Now substitute the values of the points into the formula:
    $$ d = \sqrt{((-1) - 2)^2 + (1 - 3)^2} $$

  3. Calculate the differences and squares
    Calculate the differences and their squares:

  • (x_2 - x_1 = -1 - 2 = -3)
  • (y_2 - y_1 = 1 - 3 = -2)
    So,
    $$ d = \sqrt{(-3)^2 + (-2)^2} $$ $$ d = \sqrt{9 + 4} $$
  1. Simplify the square root
    Now simplify the expression inside the square root:
    $$ d = \sqrt{13} $$

  2. Calculate the distance and round to the nearest tenth
    Using a calculator, find the value of (\sqrt{13}):
    $$ d \approx 3.60555 $$
    Rounding this value to the nearest tenth gives:
    $$ d \approx 3.6 $$

The distance between the points is (d \approx 3.6).

More Information

The distance formula is a fundamental concept in geometry that helps in finding the distance between two points in a Cartesian coordinate system.

Tips

  • Misreading the coordinates of the points.
  • Forgetting to square the differences when applying the distance formula.
  • Rounding prematurely during calculations instead of at the final step.

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