Solve using elimination.
A. x = -2, y = 0; x = -2, y = 2 or (-2, 0), (-2, 2)
B. x = 2, y = 2; x = -2, y = 2 or (2, 2), (-2, 2)
C. x = 2, y = 0; x = 2, y = 2 or (2, 0), (2, 2)
D. x = 2, y = 0; x = -2, y = 0 or (2, 0), (-2, 0)
Answer: D
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Evaluate the integral.
cos 5? d?
A. 
sin 5? - 
sin 3? - 
sin 7? + C
B. 
sin 3? - 
sin 5? - 
sin 7? + C
C. 
sin 5? - 
sin 7? - 
sin 3? + C
D. 
sin 5? - 
sin 3? - 
sin 7? + C
Solve the problem.The sum of the squares of two numbers is 82. The difference of the two numbers is 8. Find the two numbers.
A. -9 and -1 B. -9 and -1; or 1 and 9 C. -1 and 9; or -9 and 1 D. 1 and 9
Factor the trinomial or state that the trinomial is irreducible.12x2 + 25x + 12
A. (3x + 4)(4x + 3) B. irreducible C. (3x - 4)(4x - 3) D. (12x + 4)(x + 3)
Simplify.
A. 
B. 1
C. 
D. 16