Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
February 2007 Regional Algebra I Individual Test No Calculator use is allowed on this test NOTA means “ None of These Answers is correct” 1. Simplify (5 x 2 7 x 3) (7 x 2 3x 5) a) 2x 2 4x 8 2. 3. 4. 1 Simplify the expression 24 3 1 4 8 2 a) -58 b) -55 c) -7 d) 8 b) 2 x y 7 c) 2 x y 7 e) nota d) 2 x y 7 e) nota b) 36 x 20 y 12 z 7 c) 72 x15 y 6 d) 72 x 20 y 12 z 7 e) nota Find the value of the expression 3x 2 y for the solution ( x, y) of the system: b) 10 c) 4 If f ( x) 2 x 4 , g ( x) x 2 3 , and h( x) a) 5/6 8. e) nota Find the greatest common factor of 144 x15 y 12 z 7 and 216 x 20 y 6 a) 11 7. d) 2 x 2 4 x 2 Find the equation of the line containing the point (5, 3) and parallel to the line y 2 x 4 . a) 36 x15 y 6 z 6. c) x 2 2 x 1 Shreya has taken 5 tests and their average is 92. What is the lowest grade she can make on the next test and still have an average of at least 90? a) 75 b) 80 c) 82 d) 88 e) nota a) 2 x y 7 5. b) 2 x 2 10 x 2 b) 3/2 2x y 7 3y 8 x 2 d) -2 e) nota x3 , find the value of f ( g (2)) h( f (1)) x c) 2 5 /2 e) nota d) k< 24 e) nota d) For what values of k does 2x 2 kx 3k 0 have no real solutions? a) k < 0 or k > 24 b) 0 < k < 24 c) k < 24 9. A certain linear function contains the points (2, -3), (5, -5), and (-1, -1). Find the equation for the inverse of this function. a) 2 x 3 y 12 10. c) 2 x 78 d) 8 x 62 e) nota b) -4 c) -3 d) 11 e) nota b) 15 c) 16 d) 17 e) nota b) 16 x 2 12 x c) 4 x 3 d) 8 x 6 e) nota c) 3 d) 13 e) nota Solve for x: 32 2 x1 4 83x2 a) -3 15. b) 2 x 18 If the area of a square can be represented by the expression 16 x 2 24 x 9 , then what is the expression for the perimeter of this square? a) 16 x 12 14. e) nota Pratik is one year older than Roshan. In six years, Pratik will be twice as old as Roshan was 5 years ago. How old is Pratik now? a) 14 13. d) 3x 2 y 5 Find the sum of the integer solutions of 9 2 x 1 5 . a) -15 12. c) 3x 2 y 7 10 85(3 4 x) 3(7 x 8) Simplify the expression a) 2 x 78 11. b) 2 x 3 y 5 b) -17 /13 x 2 y 11 xy 12 x What is the value of for the ordered pair (x, y) that is the solution of the system: ? 2x 3y 2 y xy 3 a) -17 /14 b) -14 /17 c) 14 /17 d) 17 /14 e) nota 16. Find the sum of four consecutive odd integers if the sum of the first and third is 50. a) 100 17. Simplify a) 18. b) 102 4b 6 5a 3 5c 4 b) 330 c) 2b 2 c 5 3a 3 2b 6 c 4 d) 3a 3 e) nota 22 60 66 30 completely into the form a b , find the value c) 220 d) 110 e) nota b) -24 c) -16 d) 2 e) nota What is the square of the difference of the roots of 12 x 2 5x 4 x 6 ? 1 /144 b) 17 /12 c) 1/12 d) 289 /144 e) nota How many times does the digit 4 appear in the page numbers of a book which has 150 pages? b) 34 c) 35 d) 36 e) nota Find the y-intercept of the line which is perpendicular to 4 x 3 y 6 and which passes through the x-intercept of 3x 2 y 6 . a) 23. 4a 3 b 6 What is the smallest coefficient of any variable term in the expanded and simplified product: (3x 2 2 x 5)(5 x 2 4 x 2) ? a) 33 22. b) After simplifying the expression of a b . a) 21. e) nota 225 a10b 6 c a) -39 20. d) 108 180 a 7 b12c 5 a) 660 19. c) 104 -3 /2 If a # b = a 2 a) 31 /2 b) - ¾ c) ¾ d) 4 /3 e) nota a , find the value of (4) # (3 # 3). b b) 46 /3 c) 15 d) 0 e) nota 24. Find the difference in simplified form: a) 5x 1 b) x 2 x 15 2 2 5x 1 2 x 3 x 2 x 15 3( x 2) x 2 x 15 2 c) 3 x5 d) 3 x5 e) nota c) 2x 5 x 1 d) 2x 5 x 1 e) nota c) 41 10 20 d) 23 10 10 e) nota x 2 25 25. 2 Simplify the complex fraction: x 2 4 x 5 x 6x 5 2 x 2 3x 5 a) 26. Simplify: a) 27. x 1 2x 5 b) 40 2 5 5 2 13 10 10 b) b) 0 2x 6 y 4 Simplify: 2 7 5x y a) 29. 256 x11 y9 c) 2 5 10 x 5 y 3 x8 y b) d) 5 e) nota 3 256 x11 25 y 9 c) 32 x 35 5y9 d) 32 x11 25 y 9 e) nota A canoeist traveled 15 miles upstream in 5 hours. He then traveled the same distance back downstream in one hour and 40 minutes. How long would it take the canoeist to paddle 20 miles in still water if he rowed at the same rate in all these situations? a) 4 hrs 30. 17 10 10 Factor 12 x 2 41x 24 into the form (Ax +B)(Cx + D). What is the value of A + B + C + D? a) -4 28. x 1 2x 5 b) 3 hr 40 min c) 3 ½ hr d) 3 hr 20 min e) nota What is the coefficient of the linear term of the quotient: 2 x 1 6 x 2 9 x 17 ? a) -3 b) 2 c) 3 d) 6 e) nota