He many real roots does the quadratic equation x2 +5 +7=0 ANSWER : Only imaginary roots satisfy the equation and these are +2√3¡ and -2√3¡. STEP BY STEP EXPLANATION : X^2 + 5 + 7 = 0 X^2 + 12 = 0 X^2 = 0 - 12 X^2 = -12 X = ±√(-12) X = +2√3¡ X = -2√3¡ Therefore, only imaginary roots satisfy the equation and these are +2√3¡ and -2√3¡. OK.
Meaning of Emotional interaction and give at least 5 examples about Emotional Interaction Answer: Emotional Interaction Explanation: Cry, laugh, sad, happy and lonely. This are just some of the example of Emotional Interaction.
Nine identical cards are labeled 8 to 16 and placed in a box.Find the probanility that the card drawn has a zero in it A.write down the sample space B.find the total number of possible outcomes C.find the probability has. 1. The number on it 2. An odd number on it 3. A zero on it 4.the number 7 on it Answer: Step-by-step explanation: S = ( 8,9,10,11,12,13,14,15,16 ) n(z) = 1 p(z) = 1/9
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