One root of the quadratic equation (x^2+4x+5=0) is (x=-2+i). What is the multiplicity of this root?

One root of the quadratic equation (x^2+4x+5=0) is (x=-2+i). What is the multiplicity of this root?

There is an old math problem about the man who invented chess. See, the king at the time loved the game so much, he told the inventor to name whatever he wanted for compensation. The inventor asked...

Complex Numbers and the Demoivre's Thereom

There are four possible answers to this problem that were given to me: A -0.09% B -9% C .91% D 91% Thank you so much in advance. If you could please explain how you...

qustions like this on gives me problems and i get then wrong most of the time

The x- and y-coordinates of the focus of a parabola are (4,2) and the directrix is x=-8. A second parabola is a translation 3 units right and 1 unit up of the first parabola.Write an equation...

The Royal Fruit Company produces two types of fruit drinks. The first type is 65% pure fruit juice, and the second type is 90% pure fruit juice. The company is attempting to produce a fruit drink...

Find an equation whose graph is a parabola with directrix y= -1 and vertex (1,3).

A CD costs $10. A deluxe CD bundle costs the same as 2 CDs and one premium CD bundle. The band sells 450 CDs, 110 premium CD bundles, and 45 deluxe CD bundles for a total of $11,600.

A class has five boys and seven girls. If the teacher randomly picks five students, what is the probability that she will pick exactly two girls?

A small pond contains nine catfish and five bluegill. If nine fish are caught at random, what is the probability that all of them are catfish?

A box of chocolates contains eight milk chocolates and seven dark chocolates. You randomly pick a chocolate and eat it. Then you randomly pick another piece. The first piece is milk chocolate and...

There are thirteen shirts in your closet, five blue and eight green. You randomly select one to wear on Monday and then a different one on Tuesday. You wear a blue shirt on Monday and a green shirt...

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