Question

What are the intercepts for `y=4x^2+12x+9`?

Answer 1

Unique x-intercept at `x = -3/2`

Explanation:

To find x-intercept , make y = 0 and solve the quadratic equation:
`y = 4x^2 + 12x + 9 = (2x + 3)^2`
There is double root (unique intercept or tangent) at `x = -3/2`.