Bell Problem

Use direct substitution to evaluate the polynomial function for the given value of x: f(x)=5x3 – 2x2 + 10x – 15: x = -1

5.3 Add, Subtract, and Multiply Polynomials

Standards:1. Understand how operations are related

2. Analyze situations using algebraic symbols

Adding Polynomials *Combine like terms*a. Add 2x3 – 5x2 + 3x – 9 and x3 + 6x2 + 11 in a vertical

format

b. Add 3y3 – 2y2 – 7y and -4y2 + 2y – 5 in a horizontal format

Subtracting Polynomialsa. Subtract 3x3 + 2x2 – x + 7 from 8x3 – x2 – 5x + 1 in a vertical format

b. Subtract 5z2 – z + 3 from 4z2 + 9z – 12 in a horizontal format

Multiplying Polynomialsa. Multiply -2y2 + 3y – 6 and y – 2

b.Multiply x + 3 and 3x2 – 2x + 4

Ex. Multiply x – 5, x + 1, and x + 3

Ex. Find the product: (xy - 4)3

Homework

pg. 349 #8-20 even, 36, 42