The equation of a parabola is y = 1/4x^2 - 2x + 1. what is the equation of the directrix?​

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.