Alg Review Quiz 2.1-2.4

Name _______________________ Algebra 3/4 Review Quiz 2.1- 2.4 Tell whether the relation is a function. 1. Input Output 2. (2, -7), (3, 4), (6, -2), (2, 7) 3. __________ 3 4 1 3 __________ -2 5 __________ Tell whether the function is linear. Then evaluate the function for the given value of x. Show Work. 4. f(x) = x2 + 17; f(8) 5. f(x) = 4x +12; f(-6) __________

1. 2. 3.

4. __________ 5.

__________ _________ Graph the equation. 6. y = -x + 3

7. y = 3

8. y = -2x+ 3

Find the slope of the line passing through the given points. Then tell whether the line rises, falls, is horizontal, or is vertical. Show Work. 9. (9, 2), (-4, 8) 10. (5, 2), (13, 2) 11. (1, 2), (8, 14) __________

9.

__________ 10. _________

_________ 11. _________ __________ Tell whether the lines are parallel, perpendicular, or neither. Show Work. 12. Line 1: through (3, 8), (1, 5) 13. Line 1: through (6,6), (5, 5) 12. _________ Line 2: through (2, 0), (11, 3) Line 2: through (-2, -2), (-9, -9) 13. _________

14. At the beginning of your 8 hour shift, there were 35 units of furniture that needed assembled. The number of units n that still need to be assembled during your shift can be modeled by n(t) = -5t +35 where t is the time in hours. Graph the model.

For Problems 15-17, write your answers in y = mx + b form. Show work for 16 and 17 15. Write an equation of the line with slope of 6 and y-intercept of -2. _________

15.

16. Write an equation of the line with slope of -3 and passes through (4, -9). _________

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17. Write an equation of the line that passes through (-15, 9) and is _________ perpendicular to y = -5/4x + 1

17.