Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 12 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
12
Dung lượng
3,15 MB
Nội dung
BARTON COLLEGE PRACTICE PLACEMENT TEST 1. Simplify: 20 + ÷ (!8) a) 4 b) ‐4 c) 12 d) ‐10.5 2. Simplify: (2a – 4) + 2(a – 5) – 3(a+1) a) 7a – 11 b) a – 17 c) a – 11 d) 7a ‐17 3. Evaluate the expression: 4a ! 4ab + b , when a = 2 and b = 5 a) ‐14 b) 1 c) 66 d) 81 4. Firefighters use the formula S = 0.5P + 26 to compute the horizontal range S in feet of water from a particular hose, where P is the nozzle pressure in pounds. Find the horizontal range if pressure is 90 lb. a) 44 feet b) 450 feet c) 19 feet d) 71 feet ( ) 5. Simplify: x !3 x a) 54x12 b) 18x8 d) !54x8 16w2u10 v4 d) c) 5.6 " 10!5 d) 5.6 " 10!7 c) 120000 d) 12000 c) !18x12 c) !2 6. Simplify: a) w2 v 4u " 2u !5v # $ % & 8w ' b) 16v w2u10 7. Express in scientific notation: 0. 0000056 a) 5.6 " 10!6 b) 5.6 ! 106 8. Expand: 1.20 ! 105 a) 12000000 b) 1200000 PAGE 1 OF 12 u 7v w2 BARTON COLLEGE PRACTICE PLACEMENT TEST x! = 8 9. Solve: a) x = 4 10. Solve: a) x = 9 c) x= d) x = mv r F rv 12. Solve P: b) x = 28 c) x = ‐8 d) x = ‐18 b) m = Frv c) m = Fv r d) m = Fr v2 A ! rt c) P = A + rt d) P = A 2rt d) x = 2 d) x = ! , ! A = P + Pr t a) P = A ! rt b) P = 13. Solve: 8(x – 2) – 5(x + 4) = 20 + x 11. Solve for m: F = a) m = b) x = 2 = x !5 x a) x = ‐5 14. Solve: x ! = a) x = 4, 0 b) x = ‐6 b) x = 11 , 2 c) x = ‐10 c) x = 0, 11 2 15. Solve: ! a) x = 4 16. Simplify: a) x – 2y x = x!4 4! x b) x = ‐4 c) x = 1 d) No solution b) x(x + 3y) c) x(x‐2y) d) x + 3y x3 + x y ! xy x ! xy PAGE 2 OF 12 11 BARTON COLLEGE PRACTICE PLACEMENT TEST 17. Simplify: 4x !1 x2 + 5x ! a) Cannot be simplified 18. Solve: ‐3(2x – 3) ≤ 27 a) x ≤ ‐6 19. Solve: b) 2x !1 x+3 b) x ≥ ‐6 2x +1 x !3 c) c) x ≥ ‐3 2x +1 x+3 d) d) x ≤ ‐3 x + < 15 a) x > 2 b) x > ‐2 c) x