Solve the quadratic equation x²+9=0. what are the x-intercepts of the graph of the function f(x)=x²+9?

Find the missing factor in exponential form 48^2=3^2 • ?

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)

What number line represents the solution set for the inequality -1/2 greater than or equal to 4