SOLUTION: When using Cramer’s Rule: x= (33 5) 51 7/ (3 5) 5 7 a. Write the system of equations being solved.

Algebra ->  Finance -> SOLUTION: When using Cramer’s Rule: x= (33 5) 51 7/ (3 5) 5 7 a. Write the system of equations being solved.       Log On


   

Question 887530: When using Cramer’s Rule: x= (33 5)
51 7/ (3 5)
5 7

a. Write the system of equations being solved.

Use Cramer’s Rule to set up determinants for the value of y.
c. What is the value of x?

d. What is the value of y?


e. What is the solution to the system?
f. Graph the system and indicate the solution
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x=abs%28A%5Bx%5D%29%2Fabs%28A%29
a) A=%28matrix%282%2C2%2C3%2C5%2C5%2C7%29%29
b=%28matrix%282%2C1%2C33%2C51%29%29
[A][x]=[b]
.
.
.
b) y=abs%28A%5By%5D%29%2Fabs%28A%29
A%5By%5D=%28matrix%282%2C2%2C3%2C33%2C5%2C51%29%29
.
.
.
c) x=%28-24%29%2F%28-4%29=6
.
.
.
d) y=%28-12%29%2F%28-4%29=3
.
.
.
e) (6,3)
.
.
.
f)
3x%2B5y=33
5y=-3x%2B33
y=-%283%2F5%29x%2B33%2F5
.
.
.
graph%28300%2C300%2C-2%2C10%2C-2%2C10%2C-%283%2F5%29x%2B33%2F5%29
.
.
.
5x%2B7y=51
7y=-5x%2B51
y=-%285%2F7%29x%2B51%2F7
.
.
.

.
.
.