Algebra 12 Summer Packet Worksheet With Answer Key - Khan Academy Page 6
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5
6ANSWERS:
1. x = -4
3
20.b) Slope =
= 1.5; cost increases by
2
2. c = -4
$1.50 per drink
3. x = -7
c) y-int = 0; 0 drinks would cost $0
4. n = 0
12
21. ��
5. 15 +0.30x = 25 + 0.10x; 50 minutes
5
22. ��
6. No solution
4
23. ��
7. One solution
1
8. Infinite solutions
24.
2
��
9. x = 0
25. 6
10. x = 4
26. 11
11. n = 4
27. 24
12. x = 3
28. 4
1
13. �� =
�� + 4
3
4
10
14. �� =
�� +
3
3
15. �� = 3�� − 4
7
16.
5
17. Slope = 3, y-int. = -2
18. m = 13h – 65
19. Slope = 2, y-int = -3
20. a)
Drinks
Algebra-12 Summer Work Packet
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