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Sec 8.1-Focus

# Sec 8.1-Focus - Section 8.1 1 Focus Exercises Determine if...

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The Cartesian Coordinate System page 8.1 - 21 x + y y + x Section 8.1 Focus Exercises 1. Determine if the given ordered pair is a solution to the equation 2x – 5y = 10. a) (10, 2) b) (- 5, 0) c) (0, - 2) 2. Determine if the given ordered pair is a solution to the equation y = 3 2 x 4. a) (6, 0) b) (2, - 1) c) (0, - 4) 3. Plot each of these points in the x-y- plane provided. Be sure to label each one with its ordered pair. a) (5, 4) b) (-3, 1) c) (2, -5) d) (-1, -4) x 3 6 - 3 - 6 3 6 - 3 - 6 y + x y + A B C D F E G H 4. Given the graph at the right, identify the ordered pair of each point shown.

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The Cartesian Coordinate System page 8.1 - 22 x + y y + x 5. Determine in which quadrant each point lies. Use Example 4 as a guide. 6. Describe where the point is located in the x-y-plane. Identify the intercept. 7. Plot each of these points in the x-y-plane provided.
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