Sketch the plane representing -2x²=-8

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in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .