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:
8x+10y=160
Step-by-step explanation:
x could equal 20 and y can be 0 or x can be 0 and y is 16.
Answer:
C) One solution: 
Step-by-step explanation:
Hope this helps!
Answer:
g(-4)=2.5
g(1)=0
Step-by-step explanation:
g signifies the line, ad the number in parenthesis is the x value. so for other problems like this, just find the y value of the graphed object at the x value listed. hope this helped :)
