Question

Using graphing technology, a equation **whose graph opens up and does not cross the x-axis**. Use complete sentences to explain what piece of the quadratic equation causes its graph to open up or down.

Answer 1

if the leading coefficient is positive, it opens up

Answer 2

\[\large ax^2 +bx + c\] If \[a > 0\] then it opens up.. if \[a \lt 0\] then it opens down.