Pre-calculus Review Worksheet MATH 1500 Worksheet 1 1. Factor the following polynomials (a) x2 + 2x (b) x2 1 (c) x2 x 32 (d) x + 27 X 2 2 528 hint54225 65 2. Solve the equation x2 = 25 3. Solve the equation y 2 + y = 6 4. Solve the equation 2x2 + 3x + 1 = 0 5. Simplify the rational expression. (a) (b) 3 2 + x+3 x 3 t 1 5t + 2 + + 2 t+1 t 2 t t 2 6. Rationalize the numerator and simplify. p (x + h + 1) h p (x + 1) 7. Solve the inequality. (a) (x 3) 2x(x + 1) (b) 0 xex <0 (x2 + 1) (c) x sin x x 2 [0, 2⇡) 0, 8. Compute the following trigonometric values (If any do not exist, state so). (a) cos(⇡/4) (b) tan(3⇡/2) 9. Find all solutions in the interval [0, 2⇡) of 2 cos x + 1 = 0 10. Find an equation of the line through (0, 1) and ( 3, 4). 11. Find the slope of the line perpendicular to 2x = y 5. (Hint: slope of the perpendicular line is the negative reciprocal of the original slope) 12. Find the domain of the function below (Write your answer in interval notation). p x 3 13. Find the domain of the function below (Write your answer in interval notation). 3 (x + 2)(x 14. Let f (x) = (a) f p 1) x + 4 and g(x) = x2 + 4x. Find g(x) (b) g f (x) (c) f f (x) (d) g g(x) 15. 1 1 I f 1 16. Identify x and y intercepts, vertical asymptotes, and domain of the given functions: a) b) c) 17.