ch 7 review march 18
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![Page 1: Ch 7 Review March 18](https://reader035.vdocuments.net/reader035/viewer/2022081813/5405cd4d8d7f729e768b4e14/html5/thumbnails/1.jpg)
Chapter 7
Multiplying and Dividing Polynomials
Review
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Checklist
Model multiplication of monomial times a monomial, or monomial times a binomial using algebra tiles or an area model.
Write a multiplication statement that represents an algebra tile model or an area model.
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Model division of monomial by a monomial, or binomial by a monomial using algebra tiles or an area model.
Write a division statement that represents an algebra tile model or an area model.
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Simplify expressions to find products and quotients without using models
Solve word problems involving polynomial multiplication or division.
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Model multiplication of monomial times a monomial, or monomial times a binomial using algebra tiles or an area model.
Model -2x(3x -2) using both an area model and an algebra tile model
Algebra tile model
Area model
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Write a multiplication statement that represents an algebra tile model or an area model.
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Model division of monomial by a monomial, or binomial by a monomial using algebra tiles or an area model.
Model (4x2 + 8x) ÷ -2x using both an algebra model and an area model
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Write a division statement that represents an algebra tile model or an area model.
4xy - 12x-4x
?
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Simplify expressions to find products or quotients without using models
Simplify to find the products (show all steps using the distributive property)
a) 3x(-2x + 4)
b) (4.5x - 3)4x
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Simplify to find the quotients (show all steps)
a) 15y2 - 12y3y
b) (-10x2 + 4x) ÷ -4x
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The base of the parallelogram is 4x cm, the area of the parallelogram is (16x2 + 4x) cm2, find and expression for the height of the parallelogram
base
height
Remember...Area of parallelogram A = bh
Solve word problems involving polynomial multiplication or division.
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The area of rectangle B is three times the area of rectangle A.
(3x + 2) cm
6x cm
A B
a) Write an expression to find represent the area of rectangle A.
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The area of rectangle B is three times the area of rectangle A.
(3x + 2) cm
6x cm
A B
b) Determine the expression for the area of rectangle B.
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The area of rectangle B is three times the area of rectangle A.
(3x + 2) cm
6x cm
A B
c) If the width of rectangle B is 8x find the length of rectangle B.