1. Olivia jumps from an Olympic diving platform down to the pool below. Her height above the water at any given time after her jump can be modeled by the equation

where is her height above the water (in feet) and is the time in seconds.

You should provided some numbers to go off

Step-by-step explanation:

so I couldn't really give you a straight up answer

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".