1819-00920 -V1 Level LS (Algebra Ch 4 Sec 4, 5, Geometry Ch 4 Sec 7) Sample Questions Exam Calculator Allowed. 1. Solve x2 + 3x + 17 < 0. 2. Solve x2 + x + 2 > 0. 3. What is the sign of each of the following functions? i) f (x) = 4x2 − 3x + 5 ii) f (x) = −3x2 − 2x − 8 4. Solve 25x2 – 30x + 9 < 0. 5. Solve the inequality x2 + 22x + 121 > 0. 6. Solve the inequality x2 – 10x + 25 ≥ 0. 7. Solve x2 + x + 2 < 0. x2 − 2 x − 3 < 0 8. Solve the system of inequalities 2 . x + 4 ≥ 0 ( x − 7 )( x + 4 ) < 0 9. Solve the system of inequalities . 2 x − 25 ≥ 0 x2 − 2 x − 3 < 0 10. Solve the system of inequalities 2 . x − 25 ≥ 0 Page 1 of 4 1819-00920 -V1 Level LS (Algebra Ch 4 Sec 4, 5, Geometry Ch 4 Sec 7) x2 − 2 x − 3 < 0 11. Solve the system of inequalities 2 . x + 4 < 0 12. Solve x − 6 ≥1. x−2 13. Express the set of all values of x such that x > 3 using interval notation. 14. Express the set of all values of x such that x ≤ 10 using interval notation. 15. Express the set of all values of x such that –1 < x < 1 using interval notation. 16. Express the set of all values of x such that 0 ≤ x ≤ 5 using interval notation. 17. Express the set of all values of x such that –5 < x ≤ 4 using interval notation. 18. Find the range of values of h(x) = 3x2 + 6x + 5. 19. Find the range of values of h(x) = –3x2 + 6x – 5. 20. Find the range of values of h(x) = x2 + 4x – 12. 21. Find the range of values of 4 +1. 3x + 6 x + 5 2 Page 2 of 4 1819-00920 -V1 Level LS (Algebra Ch 4 Sec 4, 5, Geometry Ch 4 Sec 7) 22. Find the range of values of 5 +7. x − 6x + 8 23. Find the range of values of 4 +7. −3x + 6 x − 5 Page 3 of 4 2 2 24. The angle between the plane B ′BDD ′ and the plane CBB ′C ′ is _________________. D′ C′ A′ B′ C D B A 25. XYZ is an equilateral triangle O is the midpoint of XZ and WO is perpendicular to the plane XYZ. W Z X O Y The angle between the line WX and the plane XYZ is _________________. 26. a) The angle between the line XY ′ and the plane XYZW is _________________. b) The angle between the line XW ′ and the plane XYZW is _________________. 1819-00920 -V1 Level LS (Algebra Ch 4 Sec 4, 5, Geometry Ch 4 Sec 7) Y′ Page 4 of 4 Z′ W′ X′ Y Z X W 27. ABC is an equilateral triangle, M is the midpoint of AB and DM is perpendicular to the plane ABC. D B A M C The angle between the plane ABC and the plane ABD is _________________. 28. A man in a desert walked 10 km on a bearing of 040° followed by 10 km on bearing of 130°, then the distance from his starting point is: