Which of the following describes point c?
(1, -2)
(-2, 1)
(-1, -2)
(-2, -1)

answer:

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step-by-step explanation:

were is the equation

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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