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5.1 5.3 Review Power Point

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5.1 5.3 Review Power Point

1. 1. 5.1-5.3 Review Review Worksheet
2. 2. 1. (5, -20), (6, -21), (7, -22), (8, -23) <ul><li>A. Domain: </li></ul>5, 6, 7, 8 B. Range: -20, -21, -22, -23 C. Function: Yes - domains are different
3. 3. 2. Complete the ordered pair so that it is a solution to 4x + y = 21. (3, ?) <ul><li>4x + y = 21 </li></ul>4(3) + y = 21 12 + y = 21 -12 -12 y = 9 (3, 9)
4. 4. 3. Circle the correct answer. The slope is … B. Negative
5. 5. 4. Find the slope of the points below. Slope = rise run Rise = 2 Run 4 = 1 2 (1, 4) (-3, 2)
6. 6. 5. Find the slope when the rise is -7 and the run is 14. = - 1 2 Slope = rise run Rise = -7 Run 14
7. 7. 6. Find the slope of the line that contains (5, 4) and (8, 9). = 9 - 4 8 - 5 slope = y 2 – y 1 = x 2 – x 1 X 1 , y 1 x 2 , y 2 = 5 3
8. 8. 7. Y varies directly as x. Find the constant of variation, and write an equation. y is 18 when x is 6. <ul><li>y = kx </li></ul>18 = k6 18 = k 6 6 6 K = 3 Y = 3x