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Unit 1 Test Review Algebra 1 Name:________________________ Write a mathematical expression for each verbal expression. 1. the sum of 9 and a number ______________________________________________________________________________ 2. a number is subtracted from 10 _________________________________________________________________________ Convert the follow rates to the given unit. (1 mile=1760 yards; 1 meter=1.094 yards; 1,000 meters=1 kilometer;1mile=5,280feet,1meter=1000mm) 3) 7 yards per second into miles per hour 4) 3.6 meters/hour into mm/second 5) 234,000 meters per minute into kilometers per second 6) 5 kilometers into miles Evaluate using the order of operations. SHOW YOUR WORK! 7. 3+8 2–5 8. 5(9 + 3) – 3 4 9. 16 2 5 3 6 10. 94 26 77 11. 25 - 13. 7 2(32 1) 1 (18 + 9) 3 12. 14. 6 42 32 (4) (7 4) 2 12 (3 2 3 ) 3 Classify the numbers as Natural (N), Whole (W), Integer (Int), Rational (R), Irrational (Irr). (use any and all that apply) 10 15. 49 16. 17. 2.6222222... 18. 5 Match the correct property with each equation. 19.______ 4(2 x 7) 8 x 28 20.______ w 5 5 w 21. ______ (x+y)+z=x+(y+z) b gb g b 22.______ a 3 b a 3 23._______ 2y + 6 = 2(y+3) A. Associative Property B. Distributive Property C. Commutative Property Simplify by combining like terms 24. –2x + 3y + 5y – 4x 25. 6(2a 3b) 10a 26. 7x – 6( – 7x – 10) 27. – (1 – 9x) – 10 Find the solution set for the following equations when the replacement set is x={ 2,4,6,8 }. 28. x 2 3 39 29. 4x + 1 = 17 Determine whether the following ratios are equivalent. Answer Yes or No. 30. 4 6 , 3 8 31. 9 81 , 11 99 Solve the proportion. Round to the nearest hundredth. 32. 8 x 3 15 33. 4 13 9 t Find the total price. 34. software: $45 tax: 5.5% 35. jeans: $24.50 discount: 33% 2 cups of ice cream. He wanted to split the ice cream evenly between his three 3 grandchildren. How much did each grandchild receive? Bonus: Grandpa has 5