Barry’s pet turtle, turtlelini, escaped from his backyard. barry found turtlelini by the creek and wanted to determine how far turtlelini had walked. on the map, barry’s house is 0.6 inch from the creek. if the scale on the map shows that 1.5 inches are equivalent to 0.8 mile, how far did turtlelini walk, to the nearest tenth of a mile

0.3 miles.

Step-by-step explanation:

We are told that Barry found his turtle, Turtlelini, by the creek.

We are also told that 1.5 inches on the map is equivalent to 0.8 miles.

So let us the unit rate for the scale in terms of

So 1 inch on the map shows 0.533 miles in real.

Let us multiply 0.6 by 0.533 to find the distance Turtlelini walked.

Therefore, Turtlelini walked 0.3 miles to the nearest tenth.

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a).   here, that comes to

        )

x = = 1.   f(1) = 1^2 - 2(1) - 8 = - 9.   vertex is at (1, -9).

        2(1) 

find another point on the curve:   let x=0, for which y=-8.   then (0, -8) is on the curve.   plot the vertex and this point and draw a smooth parabola thru both.

hope this

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