Bell Problem Use direct substitution to evaluate the polynomial function for the given value of x:...
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Transcript of Bell Problem Use direct substitution to evaluate the polynomial function for the given value of x:...
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