Jennifer is buying cupcakes for a party. 12 cupcakes is $8.40. What is the unit rate for
each cupcake?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Which of the following multiplication expressions can be modeled by the tiles shown? check all that apply. 8(3) = 24 6(4) = 24 (3)(12) = 36 24(3) = 72 3(8) = 24 2(12) = 24