1. Consider the addition operations below and choose whether the result can be rational, rational, or both.

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)