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Unit 1: Simplifying Expressions Day 5: Distribute and Combine Like Terms Sponge Find two numbers whose product is the top number and whose sum is the bottom number. 1. 2. 2. -24 - 32 5 -4 Which of the following is equivalent to -6(3x – 2) A. B. C. D. 3. 24 ÷ 4(4 – 10) A. B. C. D. 18x - 12 -18x - 12 18x + 12 -18x + 12 -36 36 1 -1 ------------------------------------------------------------------------------------ASWBAT______Distribute and combine like terms___ At the end of this lesson, you will show what you have learned by: Doing sample CAHSEE / CST questions Tool Kit: Concept To simplify expressions such as 3x + x + 2(3x + 5) Step 1: Distribute Step 2: Identify and combine like terms CAHSEE and CST Problems 1. Which of the following inequalities is equivalent to 3 + 4x < 6(x – 4)? A. B. C. D. 3. Which of the following inequalities is equivalent to 2 - x < -3(x – 5)? 3 + 4x < 6x – 4 3 + 4x < 6x – 10 3 + 4x < 6x – 12 3 + 4x < 6x – 24 E. F. G. H. 2. Which of the following inequalities is equivalent to 5(2n + 4) < 16 – 2(4n – 1)? I. J. K. L. 2 - x < -3x – 5 2 - x < -3x + 5 2 - x < -3x + 15 2 - x < -3x – 15 4. Which of the following inequalities is equivalent to 5n - 3(2n + 4) < 2(6n – 1)? 10n + 20 < 16 – 8n - 2 10n + 20 < 16 – 8n + 2 10n + 4 < 16 + 8n - 1 10n + 4 < 16 – 8n + 1 M. N. O. P. 5n - 12 < 8n - 2 -n - 12 < 12n - 1 n - 12 < 12n - 2 -n - 12 < 12n - 2 Make your own multiple choice problem like the ones above. Here’s my multiple choice problem: 1. A. B. C. D. Review: The opposite of -3 is 3. Complete the table. Number 3 Opposite Reciprocal ⅔ 5 ⅓ The reciprocal of -3 is -⅓. -2 -⅛ 0 -⅜ 19