Q2. (a) Illustration the answer by solving system of equations by Gauss-Jordan method X1 + 3x2 – 2x3 + 2x5 = 0 2x, + 6x2 – 5x3 – 2x4 + 4xs – 3x6 = -1 + 15x6 = 5 + 8x4 + 4xs + 18x6 = 6 5x3 + 10x4 2x, + 6x2

Q: Solve the system of equations 5x-9y=-265x−9y=−26 and -2x+3y=11−2x+3y=11 by combining the equations.…

A: Solve the following

Q: Solve x + 4y = 8 - x - 9y = 18 by using Systems of elimination

A: Given: x+4y=8 ......................eq.1-x-9y=18 .....................eq.2

Q: 3) The perimeter of your classroom is 100 feet. Let W be the width of the room (in feet) and let L…

A:

Q: 5x1 -4x2 +2x3 +3x4 = +x2 +3x3 +3x4 3 -11 +12 3 4x1 -3x2 +5x3 +6x4 = -2x2 -6x3 -674 -623 -6 211

A:

Q: How did you make your system on linear equations? Where did you get the 100? 10? 400? 20?

A: From the given data,  Population in 1990 is 249 million Population in 2000 is 281 million Population…

Q: Use any method to solve the system  4x-2y=8 -6x+3y=4

A: The given equations are, 4x-2y=8                ...(i)   We can modify equation (i) as, 2 ×(2x-y =…

Q: 2. Sid and Nancy are marketing managers for competing running shoe companies. They are comparing…

A: First, we can calculate the maximum profit, the number of pairs of shoes to reach maximum profit,…

Q: Apply a theorem from the lecture to determine if there is a choice of rational numbers a, b, c, d…

A:

Q: Solve the following system of equations by using row operations in terms of z: (1）x+2y-7z=-4 (2) 2x…

A:

Q: Two friends wash cars to make extra money. The profit P(x) of one friend after x days can be…

A: Given that profit P(x) of one friend after x days can be represented by the function P(x) = - x ^ 2…

Q: Solve the system +4x3 -6 X1 -x2 -6 +7x3 +27x3 5x1 -4x2 -3x1 -54 +s

A: We have the following system of equations -  x1-x2+4x3 = -65x1-4x2+7x3 = -6-3x1+27x3 = -54

Q: a) First, clear fractions in the second equation by multiplying both sides of the equation by the…

A:

Q: 3. 3k + 45 8k + 25 5. Sq + 6 = 2g- 2 + q %3D

A: Given,3k+45=8k+253k-8k=25-45-5k=-20 k=-20-5k=4therefore,k=4

Q: Solve the following system of equations by using row operations in terms of z: (1) 3x - 3y + 6z= 6…

A:

Q: Solve the system of equations: (8x + 4y = 28 3x-4y = 5 %3D ) (1,9) (-3,-1) (7, 4) O (3, 1)

A: An algebraic equation is a mathematical expression that contains two equal sides. In an algebraic…

Q: 6x2 + 12x – 48 = 0 -b + Vb? - 4ac x = Solve 2a A = ± V |2 – 4 x = B = C = X = 4x2 - 3x – 14 = 0 -b t…

A: In these we have to solve following quadratic equation

Q: x1- 6x3 = 23 4x1+4x2-11x3 = 73 2x2+3x3 = 1   What is the unique solution of the system"

A: Solution

Q: 21 -8- + 2r3 2r3 3 -4 3r + 6r2

A: Given 2 x1 - 6 x3 = -8 x2 + 2 x3 = 3 3 x1 + 6 x2 - 2 x3 = - 4  Now we will write given information…

Q: x=2+2y 3x-5=6y  solve system of equations

A: If (a1/a2) = (b1/b2) ≠ (c1/c2), then there will be no solution.   x - 2y = 2...(1) a1 = 1, b1 = -2,…

Q: Given the equations below 5v +-1w +-5x + -6y +-6z = -3 -5v +4w +6x + 3y +-8z = 17 1v +-8w + 2x + 3y…

A:

Q: Amir lives at point B (2, 4). Eric lives at point C (3, -3). The Pizza Shop is located at point A…

A: Step 1: Step 2: Step 3: Step 4:

Q: 3x+3y=6 3x+y=-6 substitution method.

A:

Q: Which equation has the same solution as x2 + 8x + 19 = 1? O (x – 4)² = –34 %3D (x – 4)² = -2 O (x +…

A: x² + 8x + 19 = 1 So, (x² + 2•x•4 + 4²) + 3 = 1 So, (x + 4)² = - 2

Q: 2y = 4x +5 Solve the system of equations 8x - 4y = 2

A: