a parabola opening up or down has vertex (0,6) and passes through (-8,-10). write its equation. HURRY PLS

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?

Find the radius of a circle that has a circumference of 16. the formula for the circumference of a circle is c = 2tr, where r is the radius and c is the circumference. the equation solved for r is r = c over 2π. r=4 r= 8 r=12 r= 16