Grade 8 Algebra I and Algebra I Accelerated Packet Please attempt all questions WITHOUT a calculator! Operations with Integers 1. ­9 + 14 = 2. 50 ­ (­9) = 3. ­3 ­ (­11) = 4. 12 ­ 19 = 5. ­13 ­ (­90) = 6. ­15 ­ (­10) = 7. 12 ­ 40 = 8. ­12 ­ (­19) + 89 = 9. 45 ­ (­12) = 10. ­2 ­ 19 = 11. ­9(­10) 12. ½(­12) 13. (­90)/10 14. ­4/­8 Distributive Property/Combine Like Terms Review 3(3x­9) 2(2x+10) + 8x 5(4x + 9) + 6(3x+10) 7(3x­10) ­ 9x Equations Solve for x 1.​
4(x­1) – 8 = 7(1+x) + 2 2.​
2(x+4) – 2 = 9 3.​
7(9x­12) = 4(8x­9) +9 4.​
3(x + ½) = 3(x + 1/3) 5.​
5(x­8) = 5x – 2 ​
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What is your cost for 400 Units? If you use 200 units, about how much will you pay? 1.​ ​A text messaging plan is $5 a month plus $0.05 per text message sent or received. a.​ ​Write a formula for the cost, C, or sending m messages a month b.​ ​If you send/receive a total of 1000 messages, what is your total cost for the month? 2.​ ​In a rectangle, the length is four more than double the width. a.​ ​Sketch and label the diagram b.​ ​Write an expression for the perimeter c.​ ​If the perimeter is 50 units, what is the length? The width? The area? 3.​ ​A Zumba studio charges a yearly fee of $50 plus a daily rate of $2. a.​ ​Write an expression for the cost, C, of using the studio for d days b.​ ​If your total bill for the year was $204, how many days did you use the studio? c.​ ​If you use the studio for 320 days, what is your cost?