Solve the equations for x. Recall that 2-1 = 1 and 3-2 - (a) 4x +...
3. Solve the system of equations: (-x - 7y = 14 1-4X – 14y = 28 4. Solve the system of equations: 3x - 2y = 2 (5x - 5y = 10 5. Solve the system of equations: (2x + 8y = 6 1-x - 4y = -3
#4 Complete the squares. a) x2 + 4x - y - 12 = 0 for x b) 2x + y2 - 6y = 1 for y #5 Solve the system of equations sx - y = 11 a) 12x + y = 19 1-3x - 2y = 1 b) 16x + 4y = -2
Solve Radical Equations Unit 7 Form Solve each equation. 1. 3x + 21 = 5x + 27 2. 5x + 6+ 25 = 27 I 3. (x - 27) = 64 4.26 = –1 + (27x)
1. For the following two systems of linear equations answer the questions 4 + x + 2xy + 2x - 6 3x + 2x + 3x3 + 3x = 11 2x + 2x + 3.5+ 2x- 9 2x + 2x+4x3+5x - 13 3x, +2, +4x3+4x-13 3x+3x+3x2+2x, -11 (1) Solve the above systems of linear equations using naive Gauss elimination (b) solve the above systems of linear equations using Gauss elimination with partial pivoting . Axb 2. For the following matrix...
please show steps cleary 7. Solve the following equations for x: b)3(2x-5)-(2-3x)--2+4x 9 15 5 c)H x-μ e) x3+8x2+15x-0 1 (4x-5)2-5-20 (use the square-root method) g) Solve using the quadratic formula: 3x2+2x -8-0. Show your steps clearly. x+4x-8-0. Show your steps clearly h) Solve by completing the Square: 8. Determine an equation for the line a) with slope of 5/3 and y-intercept of 5: b) with slope 7/6 and passing through the point (6.2) parallel to the line in #...
Systems of equations: solve using elimination method X+2y-z = -6 3x-y+z = 8 4x-y-2z = 0
Solve the following system of equations. x + 2y = 2 - 4x + 3y = 25
Solve the following system of equations for x and y - 4x +9y = 9x - 3y =-6
Solve the systems of equations by substitution #11 2x-y-2 3x+4y-6 Solve each system by elimination or by any convenient method #13 a) 3x+4y-1 2x-3y-12 b) -4x+3y--!5 3x-2y-4
= Solve the following equations 2 1 a) 11_1 + 3x 4 6x 3 b) V nr3, solve for r. c) 25cos20 – 2 = 0 d) V7x + 2 + x = 6 3