Math Problem Statement

graph the dilated image of quadrilateral mnop using the scale factor of 1/3 and the origin as the center of dilation

Solution

To graph the dilated image of quadrilateral MNOPMNOP with a scale factor of 13\frac{1}{3} and the origin as the center of dilation, follow these steps:

Step-by-step process:

  1. Identify the coordinates of quadrilateral MNOPMNOP:

    • Suppose the vertices of quadrilateral MNOPMNOP are M(x1,y1)M(x_1, y_1), N(x2,y2)N(x_2, y_2), O(x3,y3)O(x_3, y_3), and P(x4,y4)P(x_4, y_4).
  2. Apply the scale factor:

    • The scale factor of 13\frac{1}{3} means that each coordinate of the quadrilateral will be reduced to one-third of its original value.
    • The formula to calculate the new coordinates after dilation is: (x,y)=(x3,y3)(x', y') = \left( \frac{x}{3}, \frac{y}{3} \right)
    • For each point M,N,O,PM, N, O, P, apply this formula to get the new coordinates of the dilated image.
  3. Example (Assume sample coordinates):

    • Let’s assume the original coordinates of MNOPMNOP are: M(6,9),N(3,12),O(9,6),P(12,3)M(6, 9), \quad N(3, 12), \quad O(9, 6), \quad P(12, 3)
    • Now apply the scale factor 13\frac{1}{3}: M=(63,93)=(2,3)M' = \left( \frac{6}{3}, \frac{9}{3} \right) = (2, 3) N=(33,123)=(1,4)N' = \left( \frac{3}{3}, \frac{12}{3} \right) = (1, 4) O=(93,63)=(3,2)O' = \left( \frac{9}{3}, \frac{6}{3} \right) = (3, 2) P=(123,33)=(4,1)P' = \left( \frac{12}{3}, \frac{3}{3} \right) = (4, 1)
  4. Plot the original and dilated points:

    • First, plot the original quadrilateral MNOPMNOP on a coordinate plane.
    • Then, plot the new dilated points M(2,3)M'(2, 3), N(1,4)N'(1, 4), O(3,2)O'(3, 2), and P(4,1)P'(4, 1).
  5. Draw the dilated quadrilateral:

    • Connect the dilated points MNOPM'N'O'P' to form the dilated image of the quadrilateral.

This gives you a smaller version of quadrilateral MNOPMNOP, with the size reduced by a factor of 3.

Would you like a visual example, or do you have specific coordinates you'd like to use?

Follow-up Questions:

  1. What are the original coordinates of quadrilateral MNOPMNOP in your problem?
  2. Would you like help plotting the points on a coordinate plane?
  3. How does the dilation affect the area of the quadrilateral?
  4. What is the difference between dilation and other transformations like reflection or translation?
  5. What happens if the scale factor is greater than 1?

Tip:

When using the origin as the center of dilation, the transformation affects both the size and position of the figure proportionally.

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Math Problem Analysis

Mathematical Concepts

Geometry
Dilation
Coordinate Geometry
Transformations

Formulas

Dilation formula: (x', y') = (scale_factor * x, scale_factor * y)

Theorems

Center of Dilation Property

Suitable Grade Level

Grades 8-10