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Determine which two equations represent perpendicular lines

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Reference no: EM131026003

1. Solve the system by graphing.

x + y = 4
-x + y = 2

2. Determine which two equations represent perpendicular lines.

3. Solve the system by graphing.

3x + y = 6
3x - y = 0

4. Graph the inequality y < -3

5. Solve the following system of linear inequalities by graphing.

x + 2y < = 3
2x - 3y <= 6

6. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?

7. Determine which two equations represent parallel lines.

(a) y = -6x + 4

(b) y = 6x + 4

(c) y = 1/6 x + 4

(d) y = -6x + 5

8. Graph the solution set of x < -1.

9. Solve the following system of linear inequalities by graphing.

x - 2y >= 4
x < = 4

10. Solve. 8 - (4x - 3) = 19

11. Graph x = 3.

12. Find the slope and the y-intercept.
y = -9x

13. Find the slope of the graphed line.

14. Graph 3x + 2y = 6.

15. Solve the system by addition.

4x - 7y = 17
x - 5y = 1

16. Find the slope of the line passing through the points (-1, 1) and (-2, 9).

Attachment:- math.zip

Reference no: EM131026003

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