Perform the matrix operation. 
+ 
=
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system of equations graphically using a graphing calculator. Find all values to the nearest tenth.y = x2 + 32y = -5x + 6
A. x = 3.0, y = -4.5 B. No solution C. x = 3.0, y = -4.5; x = -8.0, y = 23.0 D. x = -2.5, y = 9.25; x = 0, y = 3
Mathematics
Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? - 
A. - 
B. - 
C. - 
D. - 
Mathematics
Write the product in standard form.(
- 9i)(
+ 9i)
A. 22 B. 13 + 81i C. 94 D. 13 - 81i
Mathematics
Add or subtract as indicated.- 
- 
A. - 
B. - 
C. - 
D. 
Mathematics