Re-write the quadratic function below in Standard Form
y = -2(x + 2)2 – 3

What is the square root of 45? (step by step working plz)

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c