Download Practice Test Chapter 4

Practice Test Chapter 4
Graph:
1. y = 4
2. x = - 2
3. x + 4y = 12
4. 4x + 4y = 2
5. y = - ¾ x + 6
6. 8x - 4y = 24
7. Find the x intercept of the graph of 6x - 3y = 24.
8. Find the y intercept of the graph of 4x + 5y = 40.
Find the slope of the line passing thru the following points.
9. (-4, 7) & (9, 10)
11. (10, 4) & (3, 1)
Find the value of y so that the line passing thru the two points has the given slope.
12. (2, y) , (4, 5), m = 2
13. ( -1, 5) , (3, y) , m = 5
Use the given values to write an equation that relates x and y.
14. y = 8, x = 16
15. y = -4, x = 2
16. y = ½ , x = 9
Determine whether the relation is a function. If it is give the domain and range.
17. (1, 3) , (2, 7) , (4, 7) , (5, 10)
18. (2, 4) , (4, 1) , (2, 5), (3, 6)
Evaluate the function when x = -1, x = 3, x = 4
19. h(x) = 2x - 7
20. f(x) = -4x + 2
Fine the slope of the graph of a linear function f
21. f(2) = -3, f(3) = -5
22. f(7) = 1, f(-3) = 4