## Introduction to Algebra

Contents
 Review of "Evaluate" Homework/Warm Up Exercises "Evaluate" Division & Fractions & Decimals Write the code & algebraic expression AND and OF Write the Code Notes & New Homework

Review of "Evaluate" Homework/Warm Up Exercises
 Evaluate. Jacqueline.)     5 + 2x + y, when x = 5, y = 2 Jacqueline.)     2(3xy + x), when x = 3, y = 2   Terrell.)     x + 3 - y, when x = 2, y = 3 Terrell.)     5x + 3y, when x = 4, y = 7   Paul.)     4 + xP, when x = 5, P = -5, a = 11 Paul.)     AxP + 3 - 2, when x = 5, P = -5, a = 11   Steve.)     4x + 3x - y, when x = 3, y = 2 Steve.)     5x - x2 + 2y, when x = 3, y = 2   Terry.)     5y + 2x, when x = 3, y = 4 Terry.)     7x - 4y, when x = 3, y = 4   A.D..)     3(a + 4b + a), when a = 2, b = - 1 A.D..)     2(a + 5b + a2), when a = 2, b = - 1   Abby.)     ab ÷ (- a), when a = 2, b = 3, c = - 4 Abby.)     3(b - 9) - bc, when a = 2, b = 3, c = - 4

Answers to "Evaluate" Homework/Warm Up Exercises
 In the Algebra Notes Web Pages, Visit & Review: "evaluate algebraic expressions"

Division & Fractions & Decimals

AND and OF
 In math, as in English, AND is a signal that at least two ideas are involved. Very often these ideas also involve addition, but not always.       In math, as in English, OF is a signal that information about 1 item is going to be stated.       See "Of & And."

"Write the code & algebraic expression/equation" Notes & New Homework

Write the code & algebraic expression/equation then check the answer.   Note: Your browser may print the answers with spaces that are not ment to be there.

1.) the sum of a number and two

2.) the product of two more than a number and two less than that number

3.) half the result when a number is doubled then increased by 3

 PRODUCT is the result of multiplication. SUM or TOTAL is the result of addition.

4.) The area of a rectangle is the product of length and width.