Solve the following problems using the area model support the area model with long division or the distributive property. 42÷3

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)

Which of the following parabolas opens up?