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20 questions
Solve the following quadratics equation by completing the square...
x2 + 4x + 1 = 0
x = -2 ± √3
x = -3 ± √2
x = 2 ± √3
x = 2 ± √2
Solve the following quadratics equation by completing the square...
x2 - 6x + 2 = 0
x = -3 ± √7
x = 3 ± √7
x = 7 ± √3
x = -7 ± √3
Solve the following quadratics equation by completing the square...
x2 + 2x - 5 = 0
x = -1 ± √6
x = 1 ± √6
x = 6 ± √1
x = -6 ± √1
Which equation shows x2+8x+9=0 after the method of completing the square has been applied?
(x+2)2=−5
(x+4)2=7
(x+8)2=55
x2=−(8x+9)
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