Is y= -4x^2-6x+8 a wide or narrow parabola? which one is the narrowest parabola?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?

Iknow the square root of 2 is irrational