y = -3(x<span> - 2)^2 + 1 </span>x<span>-coordinate of vertex: </span>x<span> = -b/(2a) = -12/-6 = 2 y-coordintae of vertex: y(2) = -12 + 24 - 11 = 1 </span>Vertex form: y = -3(x<span> - 2)^2 + 1 Check. Develop y to get back to standard form: y = -3(</span>x^2 - 4x + 4) + 1 = -3x<span>^2 + </span>12x<span> - </span>11<span>. </span>
Answer:
xy
Step-by-step explanation:
xy³ and x³y
GCF is xy
Answer:
28 ft
Step-by-step explanation:
Answer: I do not understand the options you gave but but cos30º is equal to 
/2 which is 0.86602540378.
Eighty three thousand four hundred and seventy nine
