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Algebra

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
X Y
52 39
32 24
2o 15
8 6

Find the slope of the given lines:
2. (6, 5) & (9, 10)
3. (-2, -4) & (-2, -6)
Write the equation of the line in point slope form:
4. (5, -9); m = 6
Write the equation of the line in slope-intercept form:
5. (4, 7); m = (- 3/8)
6. (-5, -5) & (-1, 3)
Write the equation of the line in standard form:
7. (-3, 6); m = (1/2)
8. (1, 0) & (-5, 3)
9. Write the equation of the line perpendicular to 4x – 5y = -10 through the point
(2, 3). Write the equation in slope-intercept form. (2 pts.)
What is the slope of the perpendicular line: ______________________
What is the equation: ­­­­­­­­­­­­­­­­­­­­________________________________

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