Write each expression in factored form.1.2.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values