Question

Which parabolas open up?

Choose all answers that apply:

Choose all answers that apply:


(Choice A)

A

A parabola with a maximum point in quadrant 2 and 2 x-intercepts


(Choice B)

B

A parabola with a minimum point in quadrant 1 and no x-intercepts


(Choice C)

C

A parabola with a minimum point on the negative x-axis and a y-intercept on the positive y-axis

Answer 1

Answer: the correct answers are B and C

Explanation:

If a is positive, the parabola opens up or to the right. If it is negative, it opens down or to the left.

The right answers are B and C which say that:

A parabola with a minimum point in quadrant 1 and no x-intercepts

And

A parabola with a minimum point on the negative x-axis and a y-intercept on the positive y-axis