Algebra 1 EOC Courses Semester 2 Review semester two review Use the formula sheet on the last pages. 1. Choose the equation that matches… A. Four more than twice a number x is 20. r. 4(2 x) = 20 s. 4 > 2 x + 20 t. 2 x − 4 = 20 u. 2 x + 4 = 20 B. Four less than twice a number x is 6. r. 4(2 x) = 6 s. 4 > 2 x − 6 t. 2 x − 4 = 6 u. 2 x + 4 = 6 2. Translate and solve: "Five less than twice a number is equal to 100." Translation: _________________ Solution: ______ 3. Translate and solve: "Six more than three times a number is equal to 90". Translation: ________________ Solution: ________ 4. Find the next term in the pattern: 6. For each equation, find the value of x. A. 2 x − 4 = 90 B. 28 = 8 + 2 x C. 9 x − 2( x + 4) = 34 D. 10 x + (2 + 8 x) = 4 7. What is the simplified form of each? a. − 2( x + 3 y ) − x b. 4(3 + 5 x) − 2(3x + 2) 8. Solve the inequality: 4( x + 1) < 2( x + 6) a. x < 2 c. x > 2 b. x < 4 d. x > 4 A. -0.8, -0.5, -0.2, 0.1 _______ B. 1, 3 5 , 2, , 3 _______ 2 2 C. -1, 1, -1, 1, -1 ______ 9. CHECK (√ )each point which satisfies the inequality y ≥ x + 6 . A. ( 0, -1) ____ B. (5, 1) ____ C. (13, 5) ____ D. (-2, -10) ____ D. 9, −45, 225, _______ 5. What is the simplified version of 5( x + 7) + 4( x 2 − 8 x + 14) ? A. 9 x3 − x 2 + 21 B. 4 x 2 − 32 x + 49 C. 4 x 2 − 8 x + 49 D. 4 x 2 − 27 x + 91 10. Jonathan said "I am thinking of a number that is more than 2 but not more than12." Which inequality says this, for his number n? A. 12 < n < 2 B. 2 < n < 12 C. 2 < n ≤ 12 D. 2 ≤ n ≤ 12 Algebra 1 EOC Courses Semester 2 Review semester two review A. − C. 7 8 8 7 18. Which is an acceptable first step to solve the equation −2 x = 12 ? A. Add 2 to both sides B. Subtract 2 from both sides C. Multiply by -2 on both sides D. Divide both sides by -2 E. Ask for a clinic pass 7 ? 8 11. What is the reciprocal of B. 7 D. 8 12. One side of a square has length 3n − 4 . What is the perimeter of the square? 19. Which is an acceptable first step to solve the equation 2( x + 3) = 12 ? A. Add 3 to both sides B. Subtract 3 from both sides C. Distribute the 2 on the left D. Multiply both sides by 2 13. A triangle has side lengths 2 x − 1 , 4 x + 5 and x + 6 . What is the perimeter of the triangle? 14. A rectangle has length 3n − 10 and width n + 6 , tell the perimeter of the rectangle. 15. A square has one side 6x 3 y 5 . What is the area of the square? 16. A rectangle has length 2x3 y 4 and width 8xy 5 . What is the area of the rectangle? 17. y 4 3 2 1 x −4 −3 −2 −1 1 2 3 −1 −2 4 5 Choose the inequality for the solution shown. −3 −4 A. y > −2 x + 2 C. 1 y <− x+2 3 1 x+2 2 1 D. y ≥ − x + 2 2 B. y ≤ − 20. Which is an acceptable first step to solve the equation x − 12 = 2 ? A. Add 12 to both sides B. Subtract 12 from both sides C. Multiply by 12 on both sides D. Divide both sides by 12 21. Match: Put a number for each blank. ___ ___ ___ ___ ___ A. 890000 B. 0.000089 C. 0.089 D. 8900 E. 89000 1. 2. 3. 4. 5. 6. 7. 8.9 × 10 4 8.9 × 10 −5 8.9 × 10 −4 8.9 × 10 3 8.9 × 10 −3 8.9 × 10 −2 8.9 × 10 5 22. Joey and Samantha sold magazines for $2 each and books for $8 each in a fund-raiser and they collected $98 . They sold a total of 16 items. M + B = 16 2M + 8B = 98. The solution to this system is (5, 11). Tell what the 5 means ___________ Tell what the 11 means.__________ Algebra 1 EOC Courses Semester 2 Review semester two review 23. The sum of two numbers is 200 and the difference is 50. Find the two numbers. 24. You buy four candles and three matches for $34. For two candles and one match, the cost is $16. Choose a system of equations to find the costs of matches and candles. A. 5c + 3m = 34 2c − 1m = 16 4c(3m) = 34 C. 2c(m) = 16 B. 5c + 3m = 34 2c + m = 16 4c + 3m = 34 D. 2c = 1m + 16 28. If you solve an equation and get 4=4 as a last step then what is true? A. The equation has two solutions, 0 and 4. B. The equation has no solution. C. The equation has an infinite number of solutions. D. The equation has one solution and it is either is 0 or 4. 29. What is the value of the expression 5 x 2 − 3x + 10 if x = 9 ? A. 2008 B. 388 C. 73 D. 442 30. What is the simplified form of 6 y 5 (7 xy 2 z10 ) ? ______________ ⎧ y = 5 x − 2 25. Solve the system: ⎨ ⎩ x + y = 16 The value of x is ____. The value of y is ____. 26. If you solve an equation and get x=4 then what is true? A. The equation has an infinite number of solutions and 4 is one solution. B. The equation has no solutions. C. The equation has 4 solutions. D. The equation has one solution. 27. If you solve an equation and get 4=0 as a last step then what is true? A. The equation has two solutions, 0 and 4. B. The equation has no solution. C. The equation has an infinite number of solutions. D. The equation has one solution and it is either is 0 or 4. 31. What is the simplified form of (8a bc )(5 abc )(4a bc ) ? 2 4 2 6 A. 20a 7bc11 C. 800a 6b3c11 3 B. 800a 6b3c 24 D. 37a 6b3c11 32. Janine has a theory. She says my cell phone C will cost 15 dollars times the cube of my age in years y. Which equation is Janine's theory? A. C = (15 y)3 B. C = 15 y 3 C. C = 15t D. C = 15t (3) (18x ) ( 4 x ) 5 33. Simplify: A. 16x3 C. 16x 4 8x2 B. 9x3 D. 9x 4 34. What is the factored form of x 2 − 8 x + 16 ? r. ( x − 4)( x + 4) t. ( x + 4)2 s. ( x − 8)( x − 2) u. ( x − 4)2 Algebra 1 EOC Courses Semester 2 Review semester two review 0 −3 1 −2 37B. 35. Which equation below could generate the table of values above ? A. y = 4 x + 2 B. y = x 2 − 3 C. y = − x − 3 D. y = 2 x Powers of 7 71 72 73 74 75 76 77 36. Last digit of the answer 7 9 3 1 7 9 3 What is the total area of the diagram above? ____________ What is the perimeter of the diagram above? _______________ Study the pattern above. 73 = 343 which has last digit 3. The last digits are listed for a few powers of 7. What would be the last digit of 716 ? A. 1 B. 3 C. 7 D. 9 y vs x 37A. x+3 x+2 -1 −2 x y 38. Factor each trinomial below. A. x 2 − 4 x − 60 r. ( x − 12)( x + 5) s. ( x − 20)( x + 3) t. ( x − 10)( x + 6) u. ( x − 15)( x + 4) B. x2 + 3x + 2 ____________ y 20 C. x2 + x − 30 ____________ 10 x −8 -8 −7 −6 -6 −5 −4 -4 −3 −2 -2 −1 1 2 2 3 44 5 6 6 7 88 -10 -20 The graph of y = x 2 + 2 x − 24 is shown. What is the solution to the equation x 2 + 2 x − 24 = 0 ? A. x = −1, x = −25 B. x = 4, x = −6 C. x = 1, x = 25 D. x = −4, x = 6 39. Choose the prime factors of each binomial below. A. 4 x2 − 49 r. 2 x + 7, 2 x − 7 s. 2, x − 7, x + 7 t. 4, x − 7, x + 7 u. 2 x − 24.5, 2 x + 24.5 B. 5 x 2 − 45 r. 5 x, x − 9 t. 5 x + 9, x − 5 s. 5, x − 3, x + 3 u. x − 5, x 2 + 9 Algebra 1 EOC Courses Semester 2 Review semester two review 40. Simplify to lowest terms: x−2 x−3 2 C. − 3 A. x −1 x−2 x+2 D. x −3 x 2 − 5 x − 14 x 2 − 10 x + 21 B. 41. What are the zeros of the quadratic modeled by the function rules below? A. f ( x) = ( x − 8)( x + 2) ______ B. f ( x) = ( x + 4)( x + 5) ______ 42. A quadratic equation f ( x) = 0 has roots 16 and -5. Write the correct function rule associated with the roots. f ( x) = (_______)(________) 1 2 1 2 43. Simplify: 5 × 5 . A. 10 B. 25 1 C. 5 4 D. 5 44.
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