2t²-7t=12 quadratic or not

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which expression is equivalent to -5(3x - 6/7)