Linear combinations are a key concept in linear algebra. They are used to find the coefficients of one or more unknowns in an equation. In this blog post, we will explore two sets of linear combinations and determine if b is a linear combination of a1,a2,and a3. *a set of linear combinations: a = {-23, 11} b= {-22,-12, -13}, c={0.887727]} The following graph shows the two sets of linear combinations with b on top and c below it. There are several points where the graphs intersect which will help us determine if b is a linear combination of ad. For each point where they intersect we take the absolute value (the way that positive and negative numbers line up) to see what number has been left out in order for this result to be true. In our first example at (-11,-21), there would need to be either 18 or -18 missing from both equations in order for them to match exactly

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