Solve the equation.
= 
+ 
A. 
B. 
C. 
D. {0}
Answer: B
Mathematics
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Find the product.(-2x2y4)(-3x2y2)
A. 6x6y4 B. 6x4y6 C. 6xy6 D. 6xy4
Mathematics
Find an equation for the hyperbola described.Vertices at (±8, 0); foci at (±9, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No
Mathematics
Solve by factoring.x2 - 7x - 18 = 0
A. {2, 9} B. {-9, 2} C. {-2, 9} D. {-2, -9}
Mathematics