A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a? A coordinate plane.

–6
–1
1
6

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.

hope it

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