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Which quadratic function has one real solution? A.0 = 2(x + 7)(x – 5) B.0 = (x – 3)(x – 3) C.0 = 2.4(x – 2)(x + 2) D.0 = (x – 2)(x – 1)
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Which quadratic function has one real solution?

A.0 = 2(x + 7)(x – 5)
B.0 = (x – 3)(x – 3)
C.0 = 2.4(x – 2)(x + 2)
D.0 = (x – 2)(x – 1)

User Meng Lu
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1 Answer

5 votes
1 real solution means that it has a multiplicity aka
if r is the solution
0=(x-r)^m

theone that fits that is B, the solution is x=3

B is answer
User DuckPuppy
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