help me plz

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?