Practice
11-5. Practice. Form K. Solve each equation. Check your solutions. If there is no solution Error Analysis A student solved the rational equation (. ).
Untitled
11-5 Practice Worksheet. Solving Rational Equations. Solve each equation. Check your solutions. 12. 1. + x. 314. 5. = x. 3. + 10 = 4 x². -. 2. 5 x-5.
Site To Download Lesson Practice B Solving Rational Equations And
2 1 practice b ole solving an equation 8 5 rational equations and SHS GENERAL MATHEMATICS GRADE 11 Lesson 6
Online Library Lesson Practice B Solving Rational Equations And
May 9 2022 5 x 20.92 2 2 6 6 t ... Lesson 11 2 equations with rational numbers practice and problem solving a b tessshlo mcdougal lit- tell college prep ...
Practice
11-5. Practice. Form K. Solve each equation. Check your solutions. If there is no solution Error Analysis A student solved the rational equation (. ).
7.7 Practice - Solving Rational Equations
7.7 Practice - Solving Rational Equations. Solve the following equations for 4x + 5. 6x ? 1 ?. 3. 3x ? 4. 9). 3m. 2m ? 5 ?. 7. 3m + 1. = 3. 2. 11).
Additional Vocabulary Support
5. What is the constant of the inverse variation? 6. Write an equation that you can use to find P when V 5 62. Getting an Answer. 7. Solve your equation.
Solving Rational Equations
Mar 27 2014 Extraneous solutions are not solutions of an equation. Example 1. Solve each rational equation algebraically.. 3x + 7. _ x - 5 = 5x + 17.
Solving Rational Equations.pdf
Period____. Date________________. Solving Rational Equations. Solve each equation. Remember to check for extraneous solutions.
Solving Rational Equations
Solving Rational Equations. Solve each equation. Remember to check for extraneous 11). 1. 2v. = 5v + 15 v. 2 ? 6v. ? v + 6. 2v. 2 ? 12v. 12). 5.
![Additional Vocabulary Support Additional Vocabulary Support](https://pdfprof.com/Listes/27/60821-27hsm12cc_a2_08_ao.pdf.pdf.jpg)
Prentice Hall Algebra 2 Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 1Name Class Date
8-1Additional Vocabulary Support
Inverse Variation
Choose the expression from the list that best matches each sentence. combined constant of inverse joint variation variation variation variation 1. equations of the form xy5k2. when one quantity varies with respect to two or more quantities
3. when one quantity varies directly with two or more quantities
4. the product of two variables in an inverse variation
Choose the expression from the list that best matches each sentence. combined constant of inverse joint
variation variation variation variation5. When one quantity increases and the other quantity decreases proportionally,
the relationship is an .6. ? e function z5kxy is an example of a .
7. ? e is represented by the variable k.
8. Both functions z5
kx wy and z5kxy are examples of .Multiple Choice9. Which function would be used to model the relationship x and y vary
inversely? y5kx z5kxy y5 k x y5 x k10. Which function would be used to model the relationship z varies jointly with
x and y? y5kxz z5kxy y5 k xz y5xz k inverse variation joint variation constant of variation combined variationinverse variation combined variation joint variation constant of variation C GPrentice Hall Algebra 2 Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 2Name Class Date
? e spreadsheet shows data that could be modeled by an equation of the form PV5k. Estimate P when V 5 62.Understanding the Problem
1. ? e data can be modeled by
z??????z2. What is the problem asking you to determine?
Planning the Solution
3. What does it mean that the data can be modeled by an inverse variation?
4. How can you estimate the constant of the inverse variation?5. What is the constant of the inverse variation?
6. Write an equation that you can use to nd P when V562.
Getting an Answer
7. Solve your equation.
8. What is an estimate for P when V562?
8-1Think About a Plan
Inverse Variation
AB140.00 1002
3147.30 95
4155.60 90
164.70 85
5175.00 80
6186.70 75
71PV PV5k an estimate of the value of P when V562 about 14,000 about 226
62P514,000
The product of each pair of P and V values is approximately the same constant Find PV for each row of the data. It should be approximately the same for each row62P514,000
P514,000
62N226
Name Class Date
Prentice Hall Gold Algebra 2 Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 3 8-1Practice Form G
Inverse Variation
Is the relationship between the values in each table a direct variation, an inverse variation, or neither? Write equations to model the direct and inverse variations. 1. x y2 10455
420
1 2. x y 1 23
87
2010
29
3. x y 1 62
125
307
42
4. x y 0.2 250.5
62.52
2503
375
5. x y31 7 32 1
101232
5 2 6. x y 3 51.5100.5
300.3
50
Suppose that x and y vary inversely. Write a function that models each inverse variation. Graph the function and nd y when x 5 10.
7. x57 when y52 8. x54 when y50.2 9. x5
1 3 when y5 9 1010. ? e students in a school club decide to raise money by selling hats with the
school mascot on them. ? e table below shows how many hats they can expect to sell based on how much they charge per hat in dollars.Price per Hat (p) 5689
72 60 45 40
Hats Sold (
h) a. What is a function that models the data? b. How many hats can the students expect to sell if they charge $7.50 per hat?11. ? e minimum number of carpet rolls n needed to carpet a house varies
directly as the houses square footage h and inversely with the square footage r in one roll. It takes a minimum of two 1200-ft 2 carpet rolls to cover 2300 ft 2 of oor. What is the minimum number of 1200-ft 2 carpet rolls you would need to cover 2500 ft 2 of oor? Round your answer up to the nearest half roll. y5 14 x 7 5 y5 4 5x ; 0.08 or 2 25y5 3 10x ; 0.03 or 3 100
ph5360 or h5 360
p 48
2.5inverse;
y5 20 x neither direct; y5125x inverse; y5 15 x direct; y56x neitherName Class Date
Prentice Hall Gold Algebra 2 Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 4 8-1Practice (continued) Form G
Inverse Variation
12. On Earth, the mass m of an object varies directly with the objects potential
energy E and inversely with its height above the Earths surface h. What is an equation for the mass of an object on Earth? (Hint: E 5 gmh, where g is the acceleration due to gravity.) Each ordered pair is from an inverse variation. Find the constant of variation.13. Q3,
1 3R 14. (0.2, 6) 15. (10, 5) 16. Q
5 7 2 5 R17. (213, 22) 18. Q
1 2 , 10R 19. Q 1 3 6 7 R20. (4.8, 2.9) 21. Q
5 8 ,2 2 5R 22. (4.75, 4)
Write the function that models each variation. Find z when x 5 6 and y 5 4.23. z varies jointly with x and y. When x 5 7 and y 5 2, z 5 28.
24. z varies directly with x and inversely with the cube of y. When x 5 8 and y 5 2,
z 5 3. Each pair of values is from an inverse variation. Find the missing value.25. (2, 4), (6, y) 26. Q
1 3 , 6R, Qx, 2 1 2R 27. (1.2, 4.5), (2.7, y)
28. One load of gravel contains 240 ft
3 of gravel. ? e area A that the gravel will cover is inversely proportional to the depth d to which the gravel is spread. a. Write a model for the relationship between the area and depth for one load of gravel.b. A designer plans a playground with gravel 6 in. deep over the entire play area. If the play area is a rectangle 40 ft wide and 24 ft long, how many loads of gravel will be needed?
m5 kE h , where k5 1 g22861 1.2 50
2 713.9252
1 427 19 242
2 loads
4 3 z 5 2xy; 48 z5 3x y 3 9 32A5 240
d Prentice Hall Foundations Algebra 2 Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 5
Name Class Date
8-1Practice Form K
Inverse Variation
Is the relationship between the values in each table a direct variation, an inverse variation, or neither? Write an equation to model the direct and inverse variations. 1. xy 0.1 3 6 2430.1 0.05
0.0125
2. xy 1 2 5 636 15 18 3. xy 0 2 4 61
5 7 8 Suppose that x and y vary inversely. Write a function that models each inverse variation. Graph the function and nd y when x 5 10.
4. x52 when y524 5. x529 when y521 6. x51.5 when y510
7. Suppose the table at the right shows the
time t it takes to drive home when you travel at various average speeds s. a. Write a function that models the relationship between the speed and the time it takes to drive home. b. At what speed would you need to drive to get home in 50 min or 5 6 h?Time t (h) Speed s (mi/h)
6040
30
13.3 1 6 1 4 1 3quotesdbs_dbs31.pdfusesText_37
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