Math Problem Statement
The upper-left coordinates on a rectangle are [(-8,8)], and the upper-right coordinates are [(-3,8)]. The rectangle has an area of [15] square units.
Draw the rectangle on the coordinate plane below.
[x][y]
8642-2-4-6-8
8642-2-4-6-8
Solution
Let's break down the problem to draw the rectangle on the coordinate plane.
Step 1: Identify the Coordinates
- The upper-left corner of the rectangle is at .
- The upper-right corner is at .
Step 2: Determine the Length of the Top Side
- The top side of the rectangle is the horizontal line between and .
- The length of this side is found by calculating the distance between the -coordinates:
Step 3: Calculate the Height of the Rectangle
- The area of the rectangle is given as 15 square units.
- The area of a rectangle is given by: Substituting the known values: Solving for the height:
Step 4: Determine the Bottom Coordinates
- Since the rectangle's height is 3 units, subtract this height from the -coordinate of the upper corners (which is 8):
- The bottom-left corner will be .
- The bottom-right corner will be .
Step 5: Draw the Rectangle
We can now plot the four corners:
- Upper-left:
- Upper-right:
- Bottom-left:
- Bottom-right:
These coordinates will form a rectangle.
Coordinate Plot
The rectangle should be plotted with the following points connected by straight lines:
- From to
- From to
- From to
- From back to
Would you like me to provide more detailed steps or a visual of this rectangle on a coordinate plane?
Here are 5 related questions:
- How do you calculate the distance between two points on a coordinate plane?
- What is the formula for the area of a rectangle?
- How would the rectangle change if the area were 20 square units instead of 15?
- Can you find the coordinates of the center of this rectangle?
- How would you find the perimeter of the rectangle based on its coordinates?
Tip: When dealing with coordinates, always pay attention to whether you're dealing with horizontal or vertical distances, as these correspond to differences in and values, respectively.
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Area Calculation
Formulas
Distance formula
Area of a rectangle
Theorems
-
Suitable Grade Level
Grades 6-8
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