How to find the width of a parabola with the equation y=-2.8x(x-2)

y=−2.8x2+5.6x

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable

hope i helped :) ! brainliest ?

2

Step-by-step explanation:

The width of the graph depends upon the y value (function value).

If you're interested in the width of the graph measured ON the x-axis, then we need to find the roots and then find the distance between them.

Multiplying as indicated, your y= -2.8x(x-2) becomes y = -2.8x^2 + 5.6x.  This factors as follows:   -2.8x^2 + 5.6x =  y  = x(-2.8x + 5.6) = 0

Then either x = 0 or x = 2.

The distance between these two roots is 2, as measured along the x-axis.  This is the width of the parabola for y = 0 (along the x-axis).

answer: about 22.67

step-by-step explanation:

i think the answer would be c