Please answer questions 51,52 & 53 And include all work. Thanks. 3-58, solve the system by using the elimination method. 33. 4x + 3y = 7 35. 3x-2y=1 ad 34. x 2y x+2y = 3 36, 2x-2y = 1 -2x tys3 38. y=2x-4 y=4-2x 40. 2x-5y = 7 2x + 2y = 5 42, 3x-4y = 7 - 3y3 3x y3 37, y = 3x + 5 y=5-3x 39. 3x+2y=10 41, 2x-3y = 5 3x-3y = 1 43, 3x+5y =...
Name Date Period Kuta Software Solving Systems of Equations by Substitution Solve each system by substitution. 1) y=6x-11 2) 2x - 3y = -1 -2x - 3y =-7 y=x-1 3) y=-3x + 5 5x - 4y=-3 4) -3x – 3y = 3 y=-5x-17 5) y=-2 4x - 3y = 18 6) y = 5x - 7 -3x - 2y=-12 7) y=-3x - 19 5x + 8y = 0 8) y = 5x - 3 -x + 7y=-21
3. Solve the system of equations 5x + 3y + z 23 3x + 4y-z 21 4x + 5y 2z 26 4. Solve the system of equations. 4x-2y + 3z 27 5x 7y + 4z 39
f. g(f(x)) 5) Solve the system of equations (4.1) (5x + 4y = 7 (2x + 7y=-8 6) Graph the inequality 3x + 5y > 30. (5.1) 7) Graph the system of linear inequalities (5.2) 3x + 2y = 22 (5x + 7y = 55 8) Find the value of an investment in an account (2.5, 3.1, 3.2) a. Bearing 4% simple interest after 5 years.
3. Write the following systems of linear equations using augmented matrix form a. 6x+7y= -9 X-y= 5 b. 2x-5y= 4 4x+3y= 5 C. x+y+z= 4 2x-y-z= 2 -x+2y+3z= 5 4. Solve the following Systems of linear equations using Cramer's Rule a. 6x-3y=-3 8x-4y= -4 b. 2x-5y= -4 4x+3y= 5 c. 2x-3y+z= 5 X+2y+z= -3 x-3y+2z= 1
15:26 .l LTE 11.3AB.pdf X Locked Nae Dae LESSCSolving Linear Systems by Adding or Subtracting 1-3Practice and Problem Solving: A/B Solve each system of linear equations by adding or subtracting Check your answer 1. 5y 10 2. xy-10 2x+5y-5 5x+y--2 4-3-7y 8 3. 4x+10y 2 4x+8y 16 3x-2y-44 5.x4y-15 3x+4y 3 6 4x+11y-5 4x-11y- 8 3x-5y-60 7. x-y- y-1 4x+Sy-4 Write a system of equations to solv 9. A plumber charges an inital amount to make a house call plus...
mize the functi 2x + 2y = 1 19. Explain why it is impossible to maximize z = 3x + 4y subject to the constraints x + y 28 2x + y = 10 x + 2y = 8 + > 0, y = 0. mize the function 20. Explain why it is impossible to maximize the z = 4x + 7y subject to the constraints 8y + 5x 2 40 4y + 9x = 36 11y + 2x =...
solve and name each system question Solve and name each system of equation 12. 4x + 3y =-13 -x + y = 5 13. 7x + 2y = 6 14x + 4y 12 14. 9x-5y 1 -18x + 10y = 1 15. 2x + y + z = 9 -x-y+ z 1 3x-y +z 9
PROBLEMS 7.3 1. Minimize Z= 6x + 14y subject to 14x + 7y > 43 3x + 7y > 21 --x+y> -5 x,y > 0 2. Maximize Z= 2x + 2y subject to 2x - y > -4 x - 2y < 4 x+y = 6 Xy0
1. (10 points) Solve each of the following systems by graphing: 2x + 3y = 6 3x - 2y=6 4x=-6y +12 x-4y=-8 -6 -6 5 4 5 -4. 3. 2 3. -6 -5 4 3 2 1 1 2 3 -6 5 4 -3 -2 -1 1 21 31 4 5 6 1 4 -6 -6 2. (10 points) Solve each of the following systems: (3x - 5y = 11 2x-6y=2 y = 3x + 5 5x-2y=-7)