NVC Math 0415-012 Name: In-Class Sec 13.5 Addition/Subtraction Polynomials Date: 1. Given: 5x3 - x + 8x4 + 3x2 a) Write in descending order. b) State the degree of the polynomial. c) State the leading coefficient. d) Evaluate the polynomial for x = -1. Add. Show your work, when possible. 2. 13a2b3 + 2 a2b3 3. (7q2 -2q+4) + (5q2 +6q-9) 4. (5x1 - 4xy + y?) + (-3x2-5y?) Find the opposite of the polynomial. 5. X - 3 6. 3y2 - 2xy + 6x + 2 7. -2.1w3+ 4.9w2 - 1.9w Subtract. Show your work. 8. (x2 + 3x- 2) - (4x2 + 6x + 1) 9. (-3y2 + xy + 2x2)-(-2y2-3xy - 8x2) 10. Subtract = x 3x2 + = from x2 + 3x 11. If the perimeter of the triangle is represented by 6x -9, Find the polynomial that represents the missing side. 3x - 2 X + 4 0= 17 300 O= n Dashboard Calendar To Do Notifications Inbox2:46 7 Sec 13.4-13.5 Scientific N... Q NVC Math 0415-012 Name: - flacs Sec 13.4 Scientific Notation Date: Write the numbers in scientific notation. 1. 175.000,000 2. 0.000005 3. In the year 2011, the population of the Earth was approximately 7,000,000,000. 4. The weight of a grain of salt is approximately 0.000002 ounce. Write the numbers in standard form. 5. The probability of winning the California Super Lotto Jackpot is 5.5 x 10-8. 6. The Sun's mass is 2 x 1030. Multiply or divide as indicated. Show your work. 1 x 10-2 7. (7 x 105)(5 x 103) 8. 4 x 10-7