SOLUTION: y=x^2+1 I need to find whether the graph opens up, or opens down, find the vertex, and the axis of symmetry. Please help... 8'(

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: y=x^2+1 I need to find whether the graph opens up, or opens down, find the vertex, and the axis of symmetry. Please help... 8'(      Log On


   

Question 985737: y=x^2+1
I need to find whether the graph opens up, or opens down, find the vertex, and the axis of symmetry. Please help... 8'(
Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!
y=x^2+1
I need to find whether the graph opens up, or opens down, find the vertex, and the axis of symmetry. Please help... 8'(
y+=+x%5E2+%2B+1 opens UPWARD, as the coefficient of x%5E2 is > 0.

x-coordinate of vertex/Axis of symmetry: -+b%2F%282a%29, or -+0%2F%282a%29, or highlight_green%280%29

y-coordinate of vertex: y+=+%280%29%5E2+%2B+1, or 1

Vertex: (0%22%2C%221)