Using graphing technology, a quadratic 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. Explain what the graph indicates about the type of solutions for the quadratic equation.

Question

anonymous · Answer

try 
$$y=x^2+1$$

anonymous · Answer

For the second part, it helps to conceptualize what exactly a solution is. What you you get when you solve a quadratic equation?

anonymous · Answer

@Xavier, yes

anonymous · Answer

assuming the quadratic equation is 
$$ax^2+bx+c=0$$ then if it does not cross the x - axis you will get to complex solutions