MATH 14 TEST 1 PROF. ALFRED DOLICH REVIEW Do the following ten question, each worth 10 points. You may use a scientific calculator, although it is not necessary. Please make sure you show your work and clearly write your final answer. (1) Simplify: \u0012 2x3 x2 y (2) (a) Multiply: (3x + 2) (x 4) (b) Add: (5x + 1) + (2x 7). 1 \u00134 Math M14 Test #1 Review (3) Factor completely: 2x4 32. (4) subtract x2 3 5x 1 x(x 1) 2 of 6 Math M14 Test #1 Review (5) Simplify: p 3 x12 (6) Rationalize the denominator of: 4 3+ 5 3 of 6 Math M14 Test #1 Review (7) Simplify: (8) Solve: 2 x + 72 + 3 50 6 x+2 = 8 . 2x 4 of 6 Math M14 Test #1 Review 3 (9) (a) Write in standard form: 25i . (b) Let z = 10, find Re(z) and Im(z). (10) Solve 2x2 + 5x = 2. 5 of 6 Math M14 Test #1 Review (11) Solve: 2 (5x 2) 3 5 = 4 6 of 6