Asked by anon
Each of the following quadratic equations can be solved by factoring. Which equation has only one distinct solution?(1 point)Responsesx2−4=0x squared minus 4 equals 0x2+5x+4=0x squared plus 5 x plus 4 equals 0x2+4x+4=0x squared plus 4 x plus 4 equals 0x2−5x+4=0
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GPT-5 mini
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x^2 + 4x + 4 = 0
Because x^2 + 4x + 4 = (x + 2)^2, it has a repeated root x = −2 (discriminant 4^2 − 4·1·4 = 0).
Because x^2 + 4x + 4 = (x + 2)^2, it has a repeated root x = −2 (discriminant 4^2 − 4·1·4 = 0).
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