Multiple Choice: 1. Simplify "1-2x-x+5x-3x2+15+x3 a) x3-4x2+3x -1 (b) x2-4x2 +3x +1 (c) x3-4x-3x +1 (d)+4x +3x +1 2. Expand "logly' x3 a) 2(Logly)+3logx)) ( (d) 2logl)+3loglv) (b) 3log(x) 2logly) (c) 6log(x)logly) 3. quals 5 (b) 55 (c) 64 (d) 10 a) 62
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 given system of linear equations by Gauss-Jordan elimination: -X1 + x2 + x3 = 5 5x + 3x, – x3 = 3 2x + 4x2 + x3 = 11 [6 marks]
Maximize z = 3x, + 2x, subject to 6.x, +4x2 = 24 Solve the linear programming with Simplex Method. 10x, +3x, s 30 x,x220
Systems of Equations: 3x + y = 6 2x-2y=4 Substitution: Elimination: Solve 1 equation for 1 variable. Find opposite coefficients for 1 variable. Rearrange. Multiply equation(s) by constant(s). Plug into 2nd equation Add equations together (lose 1 variable). Solve for the other variable. Solve for variable. Then plug answer back into an original equation to solve for the 2nd variable. y = 6 -- 3x solve 1" equation for y 6x +2y = 12 multiply 1" equation by 2 2x...
solve this determinant please with clear steps Q. Solve the determination Tx+2 2x+3 3x+4 [2x+ 3x+4 4x+5 13x+5 5x+8 10x+17
Consider the following dictionary:T +3x, -1х, -1x2T 2 x3 11 4 -lx +lx -lx +1x +2x 3 6 0 Z Choose all of the correct choices for entering variables. d. Xд е. Xs С. Х, b.x а. х Consider the following dictionary:T +3x, -1х, -1x2T 2 x3 11 4 -lx +lx -lx +1x +2x 3 6 0 Z Choose all of the correct choices for entering variables. d. Xд е. Xs С. Х, b.x а. х
Problem 4.1 Dependent equations? Given: x +2x2 2x+3x, 5 2xx +3x-2x 18 -x, + 3x2 + x3-4x,--6 x 3x2+ 5x 5x, 13 If the set of 4 equations is dependent or independent Find:
Need Explanation Question 6 Solve using Matrices 2x – 3y + 2z = 13 3x – 4y – 3z = 1 3x +y – z = 2 infinite number of solutions No Solution O (-1,2,1) (2,-1,3)
A) Solve: Log( 0.000001) = 2x-5 B) Solve: x3/5 = -27