What is the square root of negative sixteen plus the square root of forty nine written as a complex number in the form a + bi? A. 7 + 4i
B. 4 + 7i
C. 7 - 4i
D. -4 + 7i

A. 7 + 4i

I hope this helps.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

2pointswhich of the following appear in the diagram below? check all that apply. d a. zcdeов. сеo c. aéo d. zdce

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