Identifying Quadratic Graphs positive quadratic y x 2

Identifying Quadratic Graphs

positive quadratic y = x 2 negative quadratic y = –x 2 positive quadratic y = x 2 negative quadratic y = –x 2

What does this quadratic graph look like? y = x 2

What does this quadratic graph look like? y = - x 2 ?

What does this quadratic graph look like? y = x 2 + 1 ? What does adding one do to the graph?

What does this quadratic graph look like? y = x 2 + 2 x + 1 ? Fill in the chart on your own please x y -3 -2 -1 0 1 2 3

What does this quadratic graph look like? y = x 2 – 3 ? What does subtracting 3, do to the parabola?

What does this quadratic graph look like? x y y = x 2 + 5 x + 6 ? Please fill in the chart on your own. -3 -2 -1 0 1 2

Which of these are a happy face shape and which are a sad face shaped? y = x 2 + 3 x + 6 y = x 2 + 3 x - 6 y = x 2 y = - x 2 + 3 x - 6 - 3 x - 6 y = - x 2 - 3 x + 6 y = - x 2 - 3 x - 6 y = - x 2 +3 x + 6 y = x 2 - 3 x + 6