Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.2x2 + 10x + 5 = 0
A. x = 
B. x = 
C. x = 
D. x = 
Answer: D
Mathematics
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A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(18, 24) Find csc ?.
A. 
B. 
C. 
D. 
Mathematics
Find the square.(0.9x - 0.2)2
A. 0.81x2 + 0.36x - 0.04 B. 0.81x2 - 0.36x + 0.04 C. 0.81x2 + 0.04 D. 0.81x2 + 0.36x + 0.04
Mathematics
Evaluate the expression.
+ 120.8 ÷ 8(2.6 - 6.5)
Round to the nearest hundredth if necessary.
A. -57.32 B. -60.34 C. -58.83 D. -53.83
Mathematics
Find the greatest common factor of the terms.6x, 9
A. 3x B. 18x C. 6 D. 3
Mathematics