THIS IS FILL IN THE BLANK!! A system of equations is a set of

1

or more equations with the same

.

The solution of a system is the

of intersection between

or more equations and is written in the form

.

An equation in slope-intercept form is

.

An equation in standard form is

.

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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the answer is (-4,-4)

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