Cramer's Rule

Question 1

Given the linear system: 5x + 3y = 17-8x - 3y = 9What is the correct formula for the solution to the linear system?

Revolt · Accepted Answer

C:

Question 2

Solve this linear system using determinants:

Revolt · Accepted Answer

: ; : -54; : 72

Question 3

Solve using determinants: x + 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17 |A| = |Ax| = |Ay| = |Az| = x = y = z =

Revolt · Accepted Answer

-120

Question 4

Given the general form for linear systems:a1x + b1y = c1a2x + b2y = c2What is the correct solution using determinants, in terms of a, b and c?

Revolt · Accepted Answer

A:

Question 5

Given the general form for linear systems:a1x + b1y = c1a2x + b2y = c2What is the correct solution using determinants, in terms of a, b and c?

Revolt · Accepted Answer

A:

Question 6

Question 6

Revolt · Accepted Answer

-54

Question 7

Solve using determinants: x + 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17 |A| = |Ax| = |Ay| = |Az| = x = y = z =

Revolt · Accepted Answer

: PENDING; : PENDING; : PENDING

Question 8

Question 8

Revolt · Accepted Answer

72

Question 9

Question 9

Revolt · Accepted Answer

PENDING

Question 10

x = y =

Revolt · Accepted Answer

Part 1: -3; Part 2: 4

Cramer's Rule Answers