Warm up 1. Be ready to explain the problem to the class Work individual on the problem in your group...
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Transcript of Warm up 1. Be ready to explain the problem to the class Work individual on the problem in your group...
Warm up Warm up
1.
Be ready to explain the problem to the class
Work individual on the problem in your group in your notes .
1) Explain2) Write down 3) Speakers4) Speakers
Be seated before the bell rings
DESK
homeworkWarm-up (in your notes)
Quiz – Thursday (today)
Test – next Tuesday 8/18
Agenda:
Warmup Go over hw Finish Note: 1.3 Start 1.4
NotebookTable of content
Page1
1
1) 1-1 Sets of Numbers /1.2 Properties of Numbers
2) 1-3 Square Roots
1-3 Square Roots
Glue in notes
Simplify by rationalizing the denominator.
Rationalizing the Denominator
Multiply by a form of 1.
= 2
1.3 notes continues
Simplify the expression.
Rationalizing the Denominator
Multiply by a form of 1.
You Try! Example
Simplify by rationalizing the denominator.
Multiply by a form of 1.
You Try! Example
Simplify by rationalizing the denominator.
Multiply by a form of 1.
NotebookTable of content
Page1
1
1) 1-1 Sets of Numbers /1.2 Properties of Numbers
2) 1-3 Square Roots
3) 1-4 Simplify Algebra Expression
1-4 Simplify Algebra Expression
Warm up
1-4 Simplify Algebra Expression
Terms that are written without a coefficient have an understood coefficient of 1.
x2 = 1x2
Remember!
Example : Simplifying Expressions
Identify like terms.
Combine like terms. 3x2 + 4x2 = 7x2
3x2 + 2x – 3y + 4x2
3x2 + 2x – 3y + 4x2
7x2 + 2x – 3y
Example : Simplifying Expressions
Distribute, and identify like terms.
Combine like terms. 7jk – 7jk = 0
j(6k2 + 7k) + 9jk2 – 7jk
6jk2 + 7jk + 9jk2 – 7jk
15jk2
You Try ! Example 3
–6x + 3xy – 9y – 11xy
Simplify the expression –3(2x – xy + 3y) – 11xy.
Distribute, and identify like terms.
Combine like terms. 3xy – 11xy = –8xy
–6x – 8xy – 9y
Example : Evaluating Algebraic Expressions
q2 + 4qr – r2 for r = 3 and q = 7
49 + 4(7)(3) – 9
49 + 84 – 9
124
(7)2 + 4(7)(3) – (3)2
4(5) – 2(25) + 3(5)
20 – 50 + 15
–15
You Try! Example 2
Evaluate x2y – xy2 + 3y for x = 2 and y = 5.
(2)2(5) – (2)(5)2 + 3(5)
Multiple choice practice
Multiple choice practice
Multiple choice practice
Multiple choice practice
Multiple choice practice
Multiple choice practice
Multiple choice practice