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anonymous
 one year ago
Which of the following is a solution of x2 + 2x + 8?
4 + i times the square root of 7
−1 + i times the square root of 7
1 + i times the square root of 7
−4 + i times the square root of 7
anonymous
 one year ago
Which of the following is a solution of x2 + 2x + 8? 4 + i times the square root of 7 −1 + i times the square root of 7 1 + i times the square root of 7 −4 + i times the square root of 7

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1use the quadratic formula \[\huge\rm \frac{ b \pm \sqrt{b^24ac} }{ 2a }\] \[\huge\rm Ax^2+Bx+C=0\] where a=leading coefficient b=middle term c=constant

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1and x^2 is same as 1x^2 there is invisible one
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