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9-25.

Rearrange the equation y = 2x2 + 8x + 5 into a more useful form for graphing. State the locator point and draw the graph. Homework Help ✎

Complete the square.

Factor a 2 out of the first two terms.

Add 4 inside the ( )s which is really adding 8 because of the 2 multiplier. So, subtract 8 on the same side to keep the same value.

Simplify.