Practice 2-1 Evaluating and Writing Algebraic Expressions

Practice Course 2 Lesson 2-2 127 Practice 2-2 Simplifying Expressions Simplify each expression. 1. 12 2 2 3 m 1 4 2 3 4 m 2. a 2 2 1 13 1 8a 3. 10q 2 2q 1 3 2 9 4. 8 2 g 2 2 1 5g 5. 2.2k 1 5 1 7.9k 1 8 6. 24r 2 2r 2 6 2 4 7. 0.2(15 2 3t) 2 1.8 8. 7x 2 5(3x 1 12) 9. 1 3 (9z 2 27) 1 12 Factor each expression completely. 10. 42r 2 18 11. 100 2 50d ... ................
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