Help me please it’s area

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Which one is the correct answer, and why?