Writing the system of equations as a matrix equation solve the system of equations by using the inverse of the coefficient matrix.
Mathematics
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Find the functions 
, 
, 
, and
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?
, 
What will be an ideal response?
Mathematics
Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. 
B. ?
C. {(-6, 8)}
D. {(6, -8)}
Mathematics
Divide.(2r3 - 8r2 - 8r - 10) ÷ (r - 5)
A. r2 + 2r + 2
B. 2r2 - 2r - 2
C. 2r2 + 2r + 2
D. 2r2 + 2r + 
Mathematics
Find the slope of the line.x = 2
A. m = 0 B. undefined slope C. m = -2 D. m = 2
Mathematics