Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (2x, y) point.
y = x2 + 2x + 8

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Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Find the slope intercept form of (-3,6) and (3,-6)