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Which of the following quadratics will have a minimum value of -5 at x = 7?
(1) y=x-14x+39
(3) y=x2-14x +44
(2) y=-x+14x-54
(4) y=-4-10x-18

Sagot :

Answer:

2!

Step-by-step explanation:

1.   x= 7   y= -10, false

2.  x= 7   y= -5, true

3.  false

4.  false

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