Respuesta :
The standard form of the quadratic equation is y = 4x² + 12x + 9. Then the correct option is D. And the value of a, b, and c will be 4, 12, and 9.
What is a quadratic equation?
The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2. Then we have
The equation is given below.
y = (2x + 3)²
Simplify the equation, then we have
y = 4x² + 12x + 9
Then the correct option is D.
Compare the equation with standard equation, then we have
a = 4
b = 12
c = 9
More about the quadratic equation link is given below.
https://brainly.com/question/2263981
#SPJ2