In the equation y=-2^x
what are the possible values of y?

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bookworm43

17.06.2022

Mathematics

${c}^{2} - 64 = 0$
This can also be represented as:
${c}^{2} - {8}^{2} = 0$
Using difference of two squares;
(c - 8)(c + 8) = 0

$c - 8 = 0 \: or \: c + 8 = 0 \\ \\ c = 8 \: or \: c = - 8$

Hope I helped? ☺️

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In the equation y=-2^x what are the possible values of y?