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Biblioteka

S3W9 Review formative

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Posljednje ažuriranje 9 months ago
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Obavezno
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Pitanje 1
1.

Vocabulary Review: Select the correct word(s) to complete the sentence.

The partial solution of the system of equations at the left uses __?__.

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Pitanje 4
4.
Pitanje 5
5.

match the vocab

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Inverse Matrix

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Matrix A in the following representation of a system of 3 simultaneous linear equations

Matrix multiplication

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Matrix B in the following representation of a system of 3 simultaneous linear equations

Matrix of minors

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Identity matrix

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A^-1

Scalar multiplication

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matrix composed from taking each element of another matrix, crossing out the row and column of that element, taking the determinant of whatever is left in the matrix, and replacing the element with that number.

Solution Matrix

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when you take one number and multiply every element of a matrix by that number

Coefficient Matrix

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Multiplying different matrices by different coefficients and then adding them together

linear combination

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matrix formed by multiplying corresponding elements of a row to their matching elements in a column, and then adding those numbers together.

Pitanje 6
6.

Which of the following is the determinant of

Pitanje 7
7.

Which of the following is the inverse of

Pitanje 8
8.

what is an algebraic understanding of the solution to a 3x3 set of simultaneous equations with a coefficient matrix with a determinant of 0?

Pitanje 9
9.

what is an graphical understanding of the solution to a 3x3 set of simultaneous equations with a coefficient matrix with a determinant of 0?

Pitanje 10
10.

Which of the following is not a consequence of a determinant of zero?

Pitanje 11
11.

Explain what the inverse matrix does

Pitanje 12
12.

Inverse matrices must (check all that apply)

Pitanje 13
13.

Can you explain why

why

for matrices A, B and C?

Pitanje 14
14.

Given the following equation, you need to construct A_x to find the solution to x using Cramers rule. you have your matrix calculator handy, what matrix will you fill in for A_x?

us the following Latex code in the answer and press enter. it will give you a null matrix. you can then replace all the zeros with the correct number. \begin{bmatrix}0&0&0\\0&0&0\\0&0&0\end{bmatrix}

Pitanje 15
15.

Solve the following system using any method.

Pitanje 16
16.

Enter the ordered pair to maximize P:

3x+6y≤50

y≥4

4x-3y≥8

2x+8y=P

Pitanje 2
2.

The partial solution represents

Pitanje 3
3.

If you found another partial solution eliminating z from a different pair of equations and that partial solution was 2x+10y=3 you would know