Lesson 7 Homework Practice - Solve Systems of Equations
Solve Systems of Equations Algebraically. Solve each system of equations by (1.5 3); a muffin costs $1.50 and a quart of milk costs $3. Math Accelerated • ...
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8b Solve systems of two linear equations in two variables algebraically and estimate solutions by graphing the equations. Solve simple cases by inspection. For
Practice (Average)
Skills Practice. Solving Systems of Equations Algebraically. Solve each system 7. u-2v- 1. 8. x- 3y = 16. 9. w+3z=l. 2. -u + 2v=5 no solution 4=-y:9 (1-5).
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Lesson 7 Solve Systems of Equations by Graphing 239. Page 8. CCSS. Model with 6-5 Skills Practice. DATE. PERIOD. Applying Systems of Linear Equations block.
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Lesson 7 Homework Practice - Solve Systems of Equations
Lesson 7 Homework Practice. Solve Systems of Equations Algebraically. Solve each system of equations by substitution. 1. y = -2x. 2. y = x + 2.
Practice (Average)
Skills Practice. Solving Systems of Equations Algebraically. Solve each system of equations by using substitution. __ PERIOD __. 1. m+n=20. 2. x+3y =-3.
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[PDF] Lesson 7 Homework Practice - Solve Systems of Equations
Lesson 7 Homework Practice Solve Systems of Equations Algebraically Solve each system of equations by substitution 1 y = -2x 2 y = x + 2
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Lesson NAME 3 PART C Homework Practice Solve Systems of Equations by Graphing Solve each system of equations by graphing 7-4-20 2468 x
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Skills Practice Solving Systems of Equations Algebraically Solve each system of equations by using substitution __ PERIOD __ 1 m+n=20 2 x+3y =-3
Lesson 7 Skills Practice Answer Key PN0YKX
Results 17 - 28 of 28 · Lesson 7 Skills Practice Answer Key A line determined by the inequality divides the plane into two half-planes and the inequality
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[PDF] Solve Systems of Equations by Graphing
Lesson 7 Skills Practice Solve Systems of Equations by Graphing Solve each system of equations by graphing 1 y = x + 4
[PDF] unit 7 answers 7th copy
Lesson 6 Skills Practice Inequalities Write an inequality for each sentence DATE PERIOD Skills 7-1 1 More than 100000 fans attended the opening
Skills Practice
Solving Systems of Equations Algebraically
Solve each system of equations by using substitution. __ PERIOD __1. m+n=20 2. x+3y =-3 3. w-z= 1
m - n = -4 (8, 12) 4= + 3y = 6 (3, --2) 2w + 3z = 12 (3, 2)4.3r+s=5
5.2b+3c=-4
6. x-y=1
2r - s = 5 (2, --1) b + c = 3 (13, --10) 2~ + 3y = 12 (3, 2)
Solve each system of equations by using elimination.7.2p-q=5 8.2j- k -= 3
3p+q=5 (2, --1) 3j+k=2 (1, -1)
9. 3c - 2d = 23c + 4d = 50 (6, 8)
10. 2f + 3g = 9 11. -2x +y = -1 12. 2x -y = 12
f-g = 2 (3, 1) x + 2y = 3 (1, 1) 2~ -y = 6 no solution Solve each system of equations by using either substitution or elimination. =-5( 1 )15. x-3y=-1213. -r + t = 514. 2x - y
--~-, 411 (3, 5)-2r + t = 4 (1, 6)4= + y22x + y =16.2p-3q=617.6w-8z=1618. c+d=6
-2p + 3q = -6 (3, O)3w - 4z = Sc - d = 0 (3, 3)infinitely many19.2u+4v=-6
u + 2v = 3 no solution20.3a+b=-i
-3a + b = 5 (--1, 2)21.2x +y =6
3x - 2y = 16 (4, --2)
22. 3y -
z = -6 -3y - z = 6 (-2, O)23. c+2d=-2
24.3r-2s=l
-2c - 5d = 3 (--4, 1) 2r - 3s = 9 (--3, --5)25.The sum of two numbers is 12. The difference of the same two numbers is -4.
Find the numbers. 4, 8
26.Twice a number minus a second number is -1. Twice the second number added
to three times the first number is 9. Find the two numbers. 1,3© Glencoe/McGraw-Hill127Glencoe Algebra 2
NAMEDATE__ PERIOD__
Practice
(Average)Solving Systems of Equations Algebraically
Solve each system of equations by using substitution.1.2x+y=4 2.x-3y=9
3x + 2y = 1 (7, -10) x + 2y = -1 (3, -2)
4. 2a - 4b = 6 infinitely5. 2rn + n = 6
-a + 2b = -3 many5m + 6n = 1 (5, -4)3.g+ 3h = 8
no1_--~ + h = 9 solution6.4x - 3y = -6
-x - 22 = 7 (-3, -2)7. u-2v-
18. x- 3y = 169. w+3z=l2-u + 2v=5 no solution 4=-y:9 (1,-5)3w - 5z = -4 (_½, ½)
Solve each system of equations by using elimination.10.2r+s =5 ll. 2rn-n =-1
3r - s = 20 (5, --5) 3m + 2n = 30 (4, 9)
12.6x + 3y = 6
8x + 5y = 12 (--1, 4)
13.3j-k=1014.2x -y = -4 no15.2g + h = 6
4j - k = 16 (6, 8)-4= + 2y = 6 solution3g - 2h = 16 (4, -2)
16. 2t + 4v = 6 infinitely17. 3x - 2y = 1218. ½x + 3y = 11
-t - 2v = -3 many2x + ~-y = 14 (6, 3)8x - 5y = 17 (4, 3) Solve each system of equations by using either substitution or elimination.19. 8x + 3y
= -5 20. 8q - 15r = -40 lOx + 6y =-13 (½,--3) 4q + 2r = 56 (10, 8)22. 4b - 2d = 5 no 23. s + 3y = 4
-2b + d = 1 solution s = 1 (1, 1)21. 3x - 4y = 12 infinitely14 4 many
~x-~y = ~24.4m - 2p = 0
25. 5g + 4k = 10 26. 0.5x + 2y = 5
-3g - 5k = 7 (6, --5) x - 2y = -8 (--2, 3)27. h -z = 3
no-3h + 3z = 6 solution SPORTS For Exercises 28 and 29, use the following information. Last year the volleyball team paid $5 per pair for socks and $17 per pair for shorts on a total purchase of $315. This year they spent $342 to buy the same number of pairs of socks and shorts because the socks now cost $6 a pair and the shorts cost $18.28.Write a system of two equations that represents the number of pairs of socks and shorts
bought each year. 5x + 17y = 315, 6x + 18y = 34229.How many pairs of socks and shorts did the team buy each year?socks: 12, shorts: 15
© Glencoe/McGraw-Hill128Glencoe Algebra 2
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