Factor completely.x2 + 50x + 625
A. (x - 25)2
B. (x + 25)(x - 25)
C. (x + 25)2
D. Prime
Answer: C
Mathematics
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Use a graphing utility to graph the polar equation.r = 2 + 6 cos ?8
-8
A.
| 8 |
| -8 |
B.
| 8 |
| -8 |
C.
| 8 |
| -8 |
D.
| 8 |
| -8 |
Mathematics
Complete the identity.
= ?
A. tan x + tan y
B. tan 
C. tan 
D. cot 
Mathematics
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + 4y = 13-4x + 3y = -33
A. {(8, 2)} B. {(-9, 2)} C. Cramer's rule does not apply since D = 0; ? D. {(9, 1)}
Mathematics
Graph the function.f(x) = 2 + log3x
A. 
B. 
C. 
D. 
Mathematics