Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.x2 - 2x + 4 = 0
A. two nonreal solutions
B. two real solutions
C. exactly one real solution
Answer: A
Mathematics
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Graph the solution of the system.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics
Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B. 
C.
D. 
Mathematics
Factor.p2 - 2pq + q2 - 9r2
A. (p - q + 3r)2 B. (p + q - 3r)2 C. (p + q + 3r)(p - q - 3r) D. (p - q + 3r)(p - q - 3r)
Mathematics
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (
, 0); vertex at (2, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics