What is the standard form of the equation of a parabola that opens up or down

Which of the following could be the equation of the function below? On a coordinate plane, a curve crosses the y-axis at y = 2. It has a maximum at 5 and a minimum at negative 1. It goes through one cycle at pi.

Which elements in the same below are integers? - 3,3.7,9,-7.34,2.83,5,56/7,-1

Which is bigger 5/4 or negative 1/4

Solve the equation and check the solution. a + 2.4 = 7.8

8 (4x + 6) what is the answer

Pretend there are two boxes one inside the other. to find the volume between them would you find the volume of both boxes then subtract them?

For 23 - 25, use the function y = 0.23x + 1. 23. f (2) = ? 24. f (0) = ? 25. f (-3) = ?

If you reflect (-2, - 8) across both axes, which quadrant will it be in? Justify your reasoning.

Steven wakes up for school at 6:30 in the morning. if school starts at 8:00 am, how long does he have from the time he wakes up until school starts?

Misa calculated 20% of 20 and obtained 20? Is she correct? Explain.