Type the correct answer in the box.
use numerals instead of words.
if necessary, use / for the fraction bar.
find the solution set.
the solution set for 7q2 − 28 = 0 is {}. (separate the solutions with a comma)

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)