Which of the following will create a "Smiling" parabola (open upwards parabola)? 1)Y= X 2)Y= -x² 3)Y= x²

asked Jul 7, 2021 74.8k views

3 votes

Which of the following will create a "Smiling" parabola (open upwards parabola)?

1)Y= X
2)Y= -x²
3)Y= x²

by Qihui

6.2k points

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6 votes

The one with a positive coefficient on x^2 will open up.

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