document.write( "Question 1185925: Find the area bounded by the equation x/- 5 + y/2 = 1 on the first quadrant and the line x = 10 \n" ); document.write( "
Algebra.Com's Answer #849508 by CPhill(1987)\"\" \"About 
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Here's how to find the area:\r
\n" ); document.write( "\n" ); document.write( "1. **Rewrite the equation:**
\n" ); document.write( " The equation x/-5 + y/2 = 1 can be rewritten as:
\n" ); document.write( " y/2 = 1 + x/5
\n" ); document.write( " y = 2 + (2/5)x\r
\n" ); document.write( "\n" ); document.write( "2. **Find the intersection points:**\r
\n" ); document.write( "\n" ); document.write( " * **Intersection with the x-axis:** Set y = 0 in the original equation:
\n" ); document.write( " x/-5 + 0/2 = 1
\n" ); document.write( " x/-5 = 1
\n" ); document.write( " x = -5
\n" ); document.write( " This point is (-5, 0). However, we are only interested in the first quadrant, where x and y are both positive.\r
\n" ); document.write( "\n" ); document.write( " * **Intersection with the y-axis:** Set x = 0 in the original equation:
\n" ); document.write( " 0/-5 + y/2 = 1
\n" ); document.write( " y/2 = 1
\n" ); document.write( " y = 2
\n" ); document.write( " This point is (0, 2).\r
\n" ); document.write( "\n" ); document.write( " * **Intersection with the line x = 10:** Substitute x = 10 into the equation:
\n" ); document.write( " 10/-5 + y/2 = 1
\n" ); document.write( " -2 + y/2 = 1
\n" ); document.write( " y/2 = 3
\n" ); document.write( " y = 6
\n" ); document.write( " This point is (10, 6).\r
\n" ); document.write( "\n" ); document.write( "3. **Visualize the area:** The area we're looking for is a trapezoid. The vertices of the trapezoid are (0, 2), (10, 6), and the points where x=10 intersects the x-axis (10,0).\r
\n" ); document.write( "\n" ); document.write( "4. **Calculate the area of the trapezoid:** The formula for the area of a trapezoid is:\r
\n" ); document.write( "\n" ); document.write( " Area = (1/2) * (base1 + base2) * height\r
\n" ); document.write( "\n" ); document.write( " In our case:
\n" ); document.write( " * base1 = the length of the vertical line at x=0, which is 2
\n" ); document.write( " * base2 = the length of the vertical line at x=10, which is 6
\n" ); document.write( " * height = the horizontal distance between the two vertical lines, which is 10\r
\n" ); document.write( "\n" ); document.write( " Area = (1/2) * (2 + 6) * 10
\n" ); document.write( " Area = (1/2) * 8 * 10
\n" ); document.write( " Area = 40\r
\n" ); document.write( "\n" ); document.write( "Therefore, the area bounded by the given equation, the x and y axes in the first quadrant, and the line x = 10 is $\boxed{40}$ square units.
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