Select all of the following that are quadratic functions.
x= 3x2 - 6y +5
y+3 =-2x2+5
y= 2x2 - 8 x + 6
y=-7x-4
y-3x = 4 x 3 – x2 + 9
y = 5 x(x + 9) - 8
y-2x2 = 3x - 2x2 + 4

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

explanation:

step-by-step explanation:

answer would be 8.64 or s = 11π/4 inches

step-by-step explanation:

s = r θ  

where s = arc length  

r = radius = 3 inches  

θ = central angle in radians = ( π /180)*165  

s = 3(π/180)*165  

= 8.64 inches