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For what value of "a" will the product shown below have a purely imaginary value? (show work )
(4+5i)(a+2i)
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Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)
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For what value of "a" will the product shown below have a purely imaginary value? (show work )
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