MATH 1510 Study Guide - Midterm Guide: Solution Set, 32X

• School: York University
• Department: Mathematics and Statistics
• Course: MATH 1510
• Professor: Iouldouz Raguimov

Document Summary

Instructions: please write your name, student number and (cid:12)nal answers in ink, this is a closed-book test, duration { 50 minutes, no calculators, internet connected devices or other aids. Are permitted: there are 7 questions on 8 pages. Fill in answers in designated spaces, or in multiple choice questions, circle the correct answer(s). Your work must justify the answer you give. To get part marks show your work on the space provided. Do the easiest questions (cid:12)rst, good luck: (4 + 4 pts) (a) simplify the expression ( x (cid:0) 7. Assume x and y denote any positive real numbers. Answer: (cid:0)4: write your answer without negative exponents. x (cid:0) 7. 128x: assume that x and y are any real numbers. 3: (4 + 4 pts) (a) factor the expression x3 + 4x2 3x 12 completely by grouping terms. Answer: x3 + 4x2 3x 12 = x2(x + 4) 3(x + 4)