Download - Ch 7 Review March 18

Transcript
Page 1: Ch  7 Review March 18

Chapter 7

Multiplying and Dividing Polynomials

Review

Page 2: Ch  7 Review March 18

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.

Page 3: Ch  7 Review March 18

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.

Page 4: Ch  7 Review March 18

Simplify expressions to find products and quotients without using models

Solve word problems involving polynomial multiplication or division.

Page 5: Ch  7 Review March 18

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

Page 6: Ch  7 Review March 18

Write a multiplication statement that represents an algebra tile model or an area model.

Page 7: Ch  7 Review March 18

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

Page 8: Ch  7 Review March 18

Write a division statement that represents an algebra tile model or an area model.

4xy - 12x-4x

?

Page 9: Ch  7 Review March 18

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

Page 10: Ch  7 Review March 18

Simplify to find the quotients (show all steps)

a) 15y2 - 12y3y

b) (-10x2 + 4x) ÷ -4x

Page 11: Ch  7 Review March 18

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.

Page 12: Ch  7 Review March 18

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.

Page 13: Ch  7 Review March 18

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.

Page 14: Ch  7 Review March 18

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.