Solve the system of equations using matrices. Use the Gaussian elimination method with back-substitution. x + y z = -5 3x y + z = -7 -x + 3y - 2z = 1 Use the Gaussian elimination method to obtain the matrix in row-echelon form. Choose the correct answer below. OA. O C. ! 1 1 - 1 - 5 0 1 - 1-2 0 0 1 4 100-5 1 0 -2 4 - 1 - 1 1 1 ... The solution set is {10}. (Simplify your answers.) O B. O D. -1 -1 0 - 1 0 0 1 -5 1 -2 - 1 4 1 1-5 1 01-2 1 0 0 4 1

Q: 2. Consider the following system of three linear equations in three unknowns: x₁ + x₂ + ax₂ = 1 x₂ +…

A:

Q: The range of sound intensities that the human ear can detect is so large that a special decibel…

A:

Q: Matrix A is -1 1 3 2 2 -1 0 1 4 i) demonstrate that A A-¹ A-¹A=I

A: The given matrix A is:A=-12210-1314

Q: 1 2 22. + X X 9 =

A:

Q: 3x + 1 etermine the approximate slope of the tangent to the curve f(x) = 2x+7 at x = -2, to one…

A:

Q: Are all these statements correct?   The rate of change of a linear function is linear.  The rate…

A: Given query is to find the correct statements.

Q: Q: Find the equation of the tangent and normal to the following curves at the points indicated…

A:

Q: The graph of a function h is shown below. Find h(-2).

A: Given graph of function h(x)

Q: a linear model for the situation below passes through the origin.Find the missing value.Round to the…

A:

Q: Simplify: 2173

A: Complex number

Q: Solve the following equations using inverse of the coefficient matrix (matrix method) x = y + 2z =…

A:

Q: Let f(x) = Calculator x2-3x - 18 x-2 Check Answer Write the domain of f as an interval.

A: We need to find out the domain of the given function.

Q: Test for symmetry with respect to the y-axis. Replace x by -x. Write the equation in expanded form.…

A:

Q: Find all the real roots of given that 121/2/2 7 is one of them. p(x) = 7x³ + 19x² - 2x - 24

A:

Q: 8. What is the maximum number of real distinct roots that a quartic equation can have? a. infinitely…

A:

Q: -5 +4i / 2 +5i  Complex numbers Simplify the fraction

A:

Q: Change the given form into the decimal form. 5-% A 0.00525 B) 0.0625 C) 0.525 D) 5.25 E) 0.0525

A: Note: As per our guidelines, I have solved one problem. If you want a solution for other, kindly…

Q: Consider the Taylor expansion of In(1 + 3x) around a = 0. What is the third non-zero term? Enter…

A:

Q: 1. Use synthetic division to determine whether - 2 is a zero of f(x) = x³+4x²+x-6. Answer yes or no.…

A:

Q: f(x) = -3x + f(4) 7;

A:

Q: Draw the graph of f(x) = 3²-1 10+ 9. 8

A: Draw the graph of the  f(x)= 3x-1

Q: Expand and simplify the expression; (x-3)2 + x2 + 2x

A: expand and simplify the expression   (x-3)2+x2+2x   formula: (a-b)2=a2+b2-2ab

Q: 4.Given x+y (+)** = 16 and log (2x + y) = 2, calculate the values of x and y algebraically. Show…

A: Given query is to find the value of x and y.

Q: Find the least squares solution of the system Ax = b. H 3 X = A = 2 1 12 1 1 →→→ b

A:

Q: Let f: R² → R be defined by f((x, y)) = 2x − 8y. Is ƒ a linear transformation? a. f((x₁, y₁) + (x₂,…

A: Given  fx, y = 2x-8y

Q: X varies jointly as w,y and Z if x=18 when y=6, w=2, Z=5 find x when w=5 y=12 2=13

A:

Q: Let A = 4 [2] 0₁]. B = [ 7 Solve the equations for X. a) kX+A= B B-X -3 X - A 4 -9 [¹] 14], k = −4,…

A:

Q: 3. The polynomial px³ x² + qx − 2 has no remainder when divided by (x − 1) and a remainder of -18…

A:

Q: You can afford monthly deposits of $130 into an account that pays 4.5% compounded monthly. How long…

A:

Q: You use a garden hose to fill a wading pool. If the water level rises 11 centimeters every 6 minutes…

A: You use a garden hose to fill a wading pool. If the water level rises 11 centimeters every 6…

Q: $25,000 is invested for 3 months at an annual simple interest rate of 2%. (a) How much interest…

A:

Q: 3. If sin(t) = 3 and tan(t) > 0, find the value of each of the six trigonometric functions of t. 4

A:

Q: A small business owner visits her bank to ask for a loan. The owner states that she can repay a loan…

A:

Q: The cargo capacity is 30,000 cubic feet for Type A planes and 20,000 cubic feet for Type B planes.…

A:

Q: For A 48 = -48 75 -30 47 calculate 48 by using Ak = PDkp-1.

A:

Q: Determine whether the statement is true or false for all x > 0, y > 0. log, x logo x - logby logo y…

A: log property

Q: Let Pn denote the vector space of polynomials in the variable x of degree n or less with real…

A:

Q: scale on a blue print drawing of a house shows that 10 centimeters represents 4 meters. What number…

A: Given query is to find the real measurement of 18 cm.

Q: How many square millimeters are in 725dm2

A:

Q: The total daily net operating time of Car Max Company is 8 hr/day. The company observes a 20 minutes…

A: The total daily net operating time of Car Max Company is 8 hr/day. The company observes a 20…

Q: The roots of a quadratic polynomial are x₁ = -1 and ₂ = 3. The y-intercept of the function's graph…

A:

Q: Find all zeros of f(x) = 9x³ — 15x² + 10x 4. Enter the zeros separated by commas. Enter exact value,…

A:

Q: (3x²)(4x³) 2x4

A:

Q: For each relation, decide whether or not it is a function. Domain น C W r Relation 1 O Function O…

A:

Q: Solve the exponential equation. Express the solution in terms of natural logarithms or common…

A:

Q: Select the following statements that are true. The quotient of 20 divided by 3 is 7. The remainder…

A: The first statement is "The quotient of 20 divided by 3 is 7.". Now,…

Q: Solve the following exponential equation by expressing each side as a power of the same base and…

A:

Q: 26. r 3r - 1 = 4

A:

Q: Home values in a town have declined 29% per year for each of the past four years. What was the total…

A:

Q: 4) (2m-16)=(2m + 4) m-16= m+ 4/3 -16 = 2m -28 m= -7 || +3 m 4

A: