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.
-24 - 32
5 - 4
2. Which of the following is equivalent to -6(3x – 2)
A. 18x - 12
B. -18x - 12
C. 18x + 12
D. -18x + 12
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ASWBAT______Distribute and combine like terms___
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. 3 + 4x < 6x – 4
B. 3 + 4x < 6x – 10
C. 3 + 4x < 6x – 12
D. 3 + 4x < 6x – 24 / 3. Which of the following inequalities is equivalent to 2 - x < -3(x – 5)?
E. 2 - x < -3x – 5
F. 2 - x < -3x + 5
G. 2 - x < -3x + 15
H. 2 - x < -3x – 15
2. Which of the following inequalities is equivalent to 5(2n + 4) < 16 – 2(4n – 1)?
I. 10n + 20 < 16 – 8n - 2
J. 10n + 20 < 16 – 8n + 2
K. 10n + 4 < 16 + 8n - 1
L. 10n + 4 < 16 – 8n + 1 / 4. Which of the following inequalities is equivalent to 5n - 3(2n + 4) 2(6n – 1)?
M. 5n - 12 < 8n - 2
N. -n - 12 < 12n - 1
O. n - 12 < 12n - 2
P. -n - 12 < 12n - 2
Make your own multiple choice problem like the ones above.
Review: The opposite of -3 is 3. The reciprocal of -3 is -⅓.
Complete the table.
Number / 3 / ⅔ / 5 / ⅓ / -2 / -⅛ / 0 / - ⅜ / 19Opposite
Reciprocal