Homework Answers
Determinant of A is given by,
Det(A) = x(-3x-1) + 2(-3+1) + 0
= -3 x2 - x -4
On comparing with given quadratic equation, we get,
a = -3, b = -1, c = -4
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Problem # 1 : Find the values of a, b, and c so that det(A)-ax2 +...
Problem #8 : A lamina with constant density ρ(r.))-5 occupies the region under the curve y-sin(m/8) from x-0 to x-8. Find the moments of inertia 4 and Enter the values of 4 and ly (in that order) int...
Problem #8 : A lamina with constant density ρ(r.))-5 occupies the region under the curve y-sin(m/8) from x-0 to x-8. Find the moments of inertia 4 and Enter the values of 4 and ly (in that order) into the answer box below, separated with a comma. Enter your answer symbolically, as in these examples Problem #8: Just save Submit Problem #8 for Grading Problem #8 | Attempt #1 | Attempt #2 Attempt #3 Attempt #4 Attempt #5 Your Answer: Your...
Problem #4: Let 0 2 A = 2 9 and b = 0 2 4 Find...
Problem #4: Let 0 2 A = 2 9 and b = 0 2 4 Find the least squares solution of the linear system Ax = b. Enter the components of the least squares solution x = [x y]? into the answer box below (in order), separated with a comma. Problem #4: Enter your answer symbolically, as in these examples Just Save Submit Problem #4 for Grading Problem #4 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark:
Problem #8 : Find the values of ci, c2, and c3 so that ci (3, .15,...
Problem #8 : Find the values of ci, c2, and c3 so that ci (3, .15, 1) + c2 (-6, 5. O) + c3 (-3, 0, 0,-(-3, î0, 2). Г - Problem #8: enter the values of c1, c2, and c3, separated by commas Just Save | Submit Problem #8 for Gradin Problem #81 Attempt #1 | Attempt #2 | Attempt #3 Screenshot saved The screenshotw OneDrive OneDrive Your Answer Your Mark:
Problem #6: Let u = (i, 21,6), v = (5,-21, 1+i), w = (2-i, 21, 8...
Problem #6: Let u = (i, 21,6), v = (5,-21, 1+i), w = (2-i, 21, 8 + 6i). Compute (u: v) wu Express your answer in the form a + bi and enter the values a and b (in that order) into the answer box below, separated with a comma. Problem #6: -35,27 Values of a and b, separated with a comma. Just Save Submit Problem #6 for Grading Problem #6 Attempt #3 Your Answer: Attempt #1 13,27 0/2x Attempt...
need answer for qustion2&3. 5:17 childsmath.ca on the answer sheet below. Problem #1: On a certain island, the...
need answer for qustion2&3.
5:17 childsmath.ca on the answer sheet below. Problem #1: On a certain island, there is a population of snakes foxes, hawks and mice. Their populations at time t are given by st), f(), h), and m(t) respectively The populations grow at rates given by the differential equations 0h + h'= m - 4+- m' u유-49 +/준-s유 Putting the y) [s)f() h() m(t)]7, this system can be written as y' Ay four populations into vector Find the...
Problem #2: Consider the following vectors, which you can copy and paste directly into Matlab. x=[3 4 4 3 5 5 1 2 3...
Problem #2: Consider the following vectors, which you can copy and paste directly into Matlab. x=[3 4 4 3 5 5 1 2 32); y [2 4 4622 4 2 4] Use the vectors x and y to create the following matrix. 3 2 0 0 0 0 0 0 0 o Such a matrix is called a tri-diagonal matrix. Hint: Use the diag command three times, and then add the resulting matrices. To check that you have correctly created...
Use linear algebra to find values of a and b in the function f(x) ax2+bx such...
Use linear algebra to find values of a and b in the function f(x) ax2+bx such that its graph passes through the points (1, -7) and (4,4).
Problem #7: Find a basis for the subspace of R4 consisting of all vectors of the...
Problem #7: Find a basis for the subspace of R4 consisting of all vectors of the form (a, b, c, d) where c = a + 2b and Problem #7: Select $ Just Save Submit Problem #7 for Grading Problem #7| Attempt #1 Your Answer: Attempt#2 | Attempt#3 Your Mark:
Problem #7: Solve the following boundary value problem. y" - 12y + 36y 0, y) =...
Problem #7: Solve the following boundary value problem. y" - 12y + 36y 0, y) = 9, y(1) = 10 Problem #7: Enter your answer as a symbolic function of x, as in these examples Do not include 'y = 'in your answer. Just Save Submit Problem #7 for Grading Attempt #1 Attempt #2 Attempt #3 Attempt #4 Attempt #5 Problem #7 Your Answer: Your Mark: Problem #8: Solve the following initial value problem. y'"' – 9y" + 24y' –...
6ot 16> Rearrange this expression into quadratic form, ax2 + bx + c = 0, and...
6ot 16> Rearrange this expression into quadratic form, ax2 + bx + c = 0, and identify the values of a , b, and c. 0.20 =-x 55-x a= The quadratic formula is used to solve for x in equations taking the form of a quadratic c quation, ax2 + br + 0 - 4ac x=-o ± V de quadratic formula: - Solve for x in the expression using the quadratic formula. 3x2 + 27x-53=0 Use at least three significant...
Problem #8 : A lamina with constant density ρ(r.))-5 occupies the region under the curve y-sin(m/8) from x-0 to x-8. Find the moments of inertia 4 and Enter the values of 4 and ly (in that order) into the answer box below, separated with a comma. Enter your answer symbolically, as in these examples Problem #8: Just save Submit Problem #8 for Grading Problem #8 | Attempt #1 | Attempt #2 Attempt #3 Attempt #4 Attempt #5 Your Answer: Your...
Problem #4: Let 0 2 A = 2 9 and b = 0 2 4 Find the least squares solution of the linear system Ax = b. Enter the components of the least squares solution x = [x y]? into the answer box below (in order), separated with a comma. Problem #4: Enter your answer symbolically, as in these examples Just Save Submit Problem #4 for Grading Problem #4 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark:
Problem #8 : Find the values of ci, c2, and c3 so that ci (3, .15, 1) + c2 (-6, 5. O) + c3 (-3, 0, 0,-(-3, î0, 2). Г - Problem #8: enter the values of c1, c2, and c3, separated by commas Just Save | Submit Problem #8 for Gradin Problem #81 Attempt #1 | Attempt #2 | Attempt #3 Screenshot saved The screenshotw OneDrive OneDrive Your Answer Your Mark:
Problem #6: Let u = (i, 21,6), v = (5,-21, 1+i), w = (2-i, 21, 8 + 6i). Compute (u: v) wu Express your answer in the form a + bi and enter the values a and b (in that order) into the answer box below, separated with a comma. Problem #6: -35,27 Values of a and b, separated with a comma. Just Save Submit Problem #6 for Grading Problem #6 Attempt #3 Your Answer: Attempt #1 13,27 0/2x Attempt...
need answer for qustion2&3.
5:17 childsmath.ca on the answer sheet below. Problem #1: On a certain island, there is a population of snakes foxes, hawks and mice. Their populations at time t are given by st), f(), h), and m(t) respectively The populations grow at rates given by the differential equations 0h + h'= m - 4+- m' u유-49 +/준-s유 Putting the y) [s)f() h() m(t)]7, this system can be written as y' Ay four populations into vector Find the...
Problem #2: Consider the following vectors, which you can copy and paste directly into Matlab. x=[3 4 4 3 5 5 1 2 32); y [2 4 4622 4 2 4] Use the vectors x and y to create the following matrix. 3 2 0 0 0 0 0 0 0 o Such a matrix is called a tri-diagonal matrix. Hint: Use the diag command three times, and then add the resulting matrices. To check that you have correctly created...
Use linear algebra to find values of a and b in the function f(x) ax2+bx such that its graph passes through the points (1, -7) and (4,4).
Problem #7: Find a basis for the subspace of R4 consisting of all vectors of the form (a, b, c, d) where c = a + 2b and Problem #7: Select $ Just Save Submit Problem #7 for Grading Problem #7| Attempt #1 Your Answer: Attempt#2 | Attempt#3 Your Mark:
Problem #7: Solve the following boundary value problem. y" - 12y + 36y 0, y) = 9, y(1) = 10 Problem #7: Enter your answer as a symbolic function of x, as in these examples Do not include 'y = 'in your answer. Just Save Submit Problem #7 for Grading Attempt #1 Attempt #2 Attempt #3 Attempt #4 Attempt #5 Problem #7 Your Answer: Your Mark: Problem #8: Solve the following initial value problem. y'"' – 9y" + 24y' –...
6ot 16> Rearrange this expression into quadratic form, ax2 + bx + c = 0, and identify the values of a , b, and c. 0.20 =-x 55-x a= The quadratic formula is used to solve for x in equations taking the form of a quadratic c quation, ax2 + br + 0 - 4ac x=-o ± V de quadratic formula: - Solve for x in the expression using the quadratic formula. 3x2 + 27x-53=0 Use at least three significant...
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