For 1-2, Find the Slope of the Line That Contains the Two Points

Practice Test 2: Relations, Functions, and Linear Equations - Show All Your Work!!! For 1-2, find the slope of the line that contains the two points.

1. ( 7, -3) and (4, 3) ______

2. (1, -4) and (3, -5) ______

3. Find the slope of the line 3x + 7y = 9 ______

For 4-7, state whether the equation or graph is linear or not linear

4. 4y = 5x ______

5. ______

6. ______

7. ______

For 8-9, State whether each relation is a function or not a function

x y 2 5 0 1 -1 6 5 17 8. 9. Practice Test 2: Relations, Functions, and Linear Equations - Show All Your Work!!!

10. Find the equation of the line that passes through the points

(-1, 3) and (-3, 4). Write the equation in slope-intercept form.

11. Find the equation of the line that passes through the point

(3, -3) and has a slope of –2. Write the equation in slope-

intercept form.

12. Find the equation of the line that contains the point (2, -3) and is

perpendicular to the line y = ½ x – 4. Write the equation in slope-

intercept form. Practice Test 2: Relations, Functions, and Linear Equations - Show All Your Work!!!

For 13-15, graph the equation on the graph paper provided and then determine the Domain and the Range

13. x = -1 D ______R ______

14. y = 2 D ______R ______

15. y = ⅔ x + 1 D ______R ______

For 16 and 17, evaluate the function f(x) at the given value of x

16. f(s) for the function f(x) = 2x - 12

17. f(-1) for the function f(x) = 3x – x2