The answer should be the directrix because k represents the y-value of the vertex, and for this questions the parabola is probably facing upward, so the directrix is under the vertex.
Answer:
m=-3
Step-by-step explanation:
Answer:
answer is 3.144
Step-by-step explanation:
Answer:
combine like terms.
Step-by-step explanation:
none of the other answers seem correct.