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Name _______________________________________ Date __________________ Class __________________ Practice B LESSON 1-3 Square Roots Estimate to the nearest tenth. 1. 78 2. 57 ________________________ 3. ________________________ 39 ________________________ Simplify each expression. 4. 243 5. ________________________ 4 7. 144 90 6. 40 ________________________ 8. ________________________ 125 5 42 3 ________________________ 9. 320 ________________________ ________________________ Simplify by rationalizing each denominator. 10. 6 5 ________________________ 11. 3 15 12. 3 ________________________ 13 4 6 ________________________ Add or subtract. 13. 7 5 10 5 ________________________ 14. 12 3 3 12 15. 6 50 4 32 ________________________ ________________________ Solve. 16. A building has a mural painted on an outside wall. The mural is a square with an area of 14,400 ft2. What is the width of the mural? ________________________________________________________________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. 1-20 Holt Algebra 2 Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. A3 Holt Algebra 2