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10-2 Study Guide and Intervention. Simplifying Radical Expressions. Product When you simplify radical expressions with variables use absolute value to ensure.
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10-2 Study Guide and Intervention. Operations with Radical Expressions. Add Multiply Radical Expressions Multiplying two radical expressions with different.
10-2 - Study Guide and Intervention
When you simplify radical expressions with variables use absolute value to ensure 16. √ 8. −. 2 √ 7 + 4 √. 10. 4√ 5 - √. 14. −. 33. 10-2. Quotient ...
10-3 - Study Guide and Intervention
Multiply Radical Expressions Multiplying two radical expressions with different (2 - 4 √ 2 )(2 + 4 √ 2 ) - 28. 6. (3 + √ 6 ) 2. 15 + 6√ 6. 7. (2 - 2 √ 5 ) ...
10-4 - Study Guide and Intervention
Radical Equations Equations containing radicals with variables in the radicand are 4x - 7 + 7 = 25 + 7 Add 7 to each side. 4x = 32. Simplify. x = 8. Divide ...
Chapter 10 Resource Masters
.............................. 10. Lesson 10-2. Simplifying Radical Expressions. Study Guide and Intervention ...........................11. Skills Practice ...
6-6 Study Guide and Intervention
Write each expression in radical form or write each radical in exponential form. 1. 11. 1−. 7. 2. 15. 1−. 3. 3. 300. 3−. 2. 4. √. 47. 5. 3√ 3a5b2. 6. 4√
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Glencoe Algebra 1. Lesson 10-2. Page 4. NAME. DATE. PERIOD. 10-2 Study Guide and Intervention (continued). Simplifying Radical Expressions. Quotient Property of
Chapter 7 Resource Masters
Study Guide and Intervention . . . . . . . . . . . . . .6. Skills Practice 5 and 7 5 are (like radical expressions conjugates). 7. When no index is given ...
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11-2 Study Guide and Intervention. Operations with Radical Expressions. Add and Subtract Radical Expressions When adding or subtracting radical 4√6. 10√6 – ...
10-2 - Study Guide and Intervention
When you simplify radical expressions with variables use absolute value to Simplify each expression. 1. ?. 28. 2. ?. 68. 3. ?. 60. 4. ?. 75. 2 ? 7.
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10-2 Study Guide and Intervention When you simplify radical expressions with variables use absolute value to ... 21) 3??72 – 3??72 – 2??6+4??7.
6-6 Study Guide and Intervention
3? 3a5b2. 6. 4? 162p5. Evaluate each expression. 7. -27 Example 2. 6-6 Study Guide and Intervention. Rational Exponents. 7?.
6-4 Study Guide and Intervention
Simplify Radicals. Simplify ? 49z8. 6-4 Study Guide and Intervention nth Roots. Example 1. Example 2. 9. -7 ... Approximate Radicals with a Calculator.
6-6 Study Guide and Intervention - Rational Exponents
6-6 Study Guide and Intervention. Rational Rational Exponents and Radicals ... 4. ?47. 5. ?3 5 2. 3. 6. ?162 5. 4. Evaluate each expression. 7.
10-3 - Study Guide and Intervention
Glencoe Algebra 1. Study Guide and Intervention. Operations with Radical Expressions. Add or Subtract Radical Expressions When adding or subtracting radical.
6-7 Study Guide and Intervention(continued) - Solving Radical
6-7 Study Guide and Intervention(continued). Solving Radical Equations and Inequalities. Solve Radical Inequalities A Now solve 5 – ?20 + 4 ? – 3.
7-3 - Study Guide and Intervention
Rational Exponents For any real numbers a and b and any positive integer n if an = b
Chapter 10 Resource Masters
4. Lesson 10-1. Square Root Functions. Study Guide and Intervention . Before multiplying two radical expressions with different.
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Step 4. Study Guide and Intervention. Radical Equations and Inequalities x = 7. Isolate the radical on one side of the equation.
Lesson 6-4
NAME DATE PERIOD
PDF Pass
Chapter 6 25 Glencoe Algebra 2
Simplify Radicals
Simplify
49z8 49z
8 (7z 4 2 = 7z 4 z 4 must be positive, so there is no need to take the absolute value. Simplify - 3 (2a - 1) 6 3 (2a - 1) 6 3 [(2a - 1) 2 3 = -(2a - 1) 2
Exercises
Simplify.
1. ⎷ ?? 81 2. 3 ⎷ ??? -343 3. ⎷ 144p6
4. ±
4a 10 5. 5 243 p10 6. - 3 m 6 n 9 7. 3 -b 12 8. 16a 10 b 8 9. 121x
6 10. (4k) 4
11. ±
169r4 12. - 3 -27 p 6 13. - 625y
2 z 4
14. ⎷
36q34
15. ⎷
100x2 y 4 z 6 16. 3 ⎷ ??? -0.027 17. - ⎷ ??? -0.36 18. ⎷ 0.64p 10 19. 4 (2x) 8
20. ⎷
(11y 2 4 21.3 (5 a2 b 6 22.
(3x - 1) 2 23.
3 (m - 5) 6
24. ⎷ ??????
36x2 - 12x + 1
Square RootFor any real numbers a and b, if a
2 = b, then a is a square root of b. nth RootFor any real numbers a and b , and any positive integer n , if an = b, then a is an nth root of bReal nth Roots of b,
n b , - n b1. If n is even and b > 0, then b has one positive real root and one real negative root.
2. If n is odd and b > 0, then b has one positive real root.
3. If n is even and b < 0, then b has no real roots.
4. If n is odd and b < 0, then b has one negative real root.
6-4Study Guide and Intervention
n th RootsExample 1Example 2
9 -7 12
p 3±2a
5 3p 2 -m 2 n 3 -b 4 4 a 5 b 4 11 x 3 16k 2±13r
2 3p 2 -25 y z 2 6 q 17 10 x y 2 z 3 -0.3 not a real number 0.8| p 5 4x 2 121y4 25a
4 b 2 |3x - 1| (m - 5) 2 |6x - 1|
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Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.NAME DATE PERIOD
PDF Pass
Chapter 6 26 Glencoe Algebra 2
Approximate Radicals with a Calculator
Radicals such as
⎷ ? 2 and ⎷ ? 3 are examples of irrational numbers. Decimal approximations for irrational numbers are often used in applications. These approximations can be easily found with a calculator.Use a calculator to approximate
518.2 to three decimal places.
5 ⎷ ?? 18.2 ≈ 1.787Exercises
Use a calculator to approximate each value to three decimal places. 1. ⎷ ?? 62 2. ⎷ ?? 1050 3. 3 ⎷ ??? 0.054 4. - 4 ⎷ ?? 5.45 5. ⎷ ?? 5280 6. ⎷ ??? 18,600 7. ⎷ ??? 0.095 8. 3 ⎷ ?? -15 9. 5 ⎷ ?? 100 10. 6 ⎷ ?? 856 11. ⎷ ?? 3200 12. ⎷ ?? 0.05 13. ??? 12,500 14. ⎷ ?? 0.60 15. - 4 ⎷ ?? 500 16. 3 ⎷ ?? 0.15 17. 6 ⎷ ?? 4200 18. ⎷ ?? 75 19.LAW ENFORCEMENT The formula r = 2
5L is used by police to estimate the speed r
in miles per hour of a car if the length L of the car"s skid mark is measures in feet. Estimate to the nearest tenth of a mile per hour the speed of a car that leaves a skid mark 300 feet long. 20. SPACE TRAVEL The distance to the horizon d miles from a satellite orbiting h miles above Earth can be approximated by d8000h + h
2 . What is the distance to the horizon if a satellite is orbiting 150 miles above Earth? Irrational Numbera number that cannot be expressed as a terminating or a repeating decimalStudy Guide and Intervention (continued)
n th Roots 6-4Example
7.874 32.404 0.378
-1.528 72.664 136.3820.308 -2.466 2.512
3.081 56.569 0.224
111.803 0.775 -4.729
0.531 4.017 8.660
77.5 mi/h
about 1100 mi021_030_ALG2_A_CRM_C06_CR_660551.indd 26021_030_ALG2_A_CRM_C06_CR_660551.indd 2612/20/10 9:21 PM12/20/10 9:21 PM
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