Numbers that can be written as a fraction has a special name. What is the name?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.