Need help... plz.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?