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The problems you missed are listed below with answers and explanations.  Look over the explanation for each problem so you can understand why you missed it!

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'); resetdisplay(); for(var i = 0; i <5; i++) { ganswer[i] = prompt(question[i],""); if (ganswer[i] == "quit" || ganswer[i] == "QUIT" || ganswer[i] == "Quit") { break; } q++; if (ganswer[i] == answer[i]) { c++; } else { rightans[i] = 0; w++; } resetdisplay(); } for(var i = 0; i < 10; i++) { if (rightans[i] == 0) { expl = expl + explain[i]; } } parent.frames[0].document.write(expl); parent.frames[0].document.write("
"); } question[0] = 'What variable is used to symbolize an imaginary number?'; question[1] = 'i is variable that stands for the square root of something, what is the number with the root (the square root of what)'; question[2] = 'Complex numbers include imaginary numbers and what other type?'; question[3] = 'Can you graph imaginary numbers?'; question[4] = 'Are the axes labeled as x and y when graphing imaginary numbers?'; answer[0] = 'i'; answer[1] = '-1'; answer[2] = 'real'; answer[3] = 'yes'; answer[4] = 'no'; explain[0] = '#1

i is the representation of SQRT(-1) and is the variable that is used with imaginary numbers.

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i is defined as the SQRT(-1).

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Complex numbers are defined to be numbers including imaginary and real numbers.

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Imaginary numbers are possible to graph, but not within the real coordinate axis, you must use the imaginary coordinate plane.

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Graphing imaginary numbers requires an imaginary coordinate plane. In order to tell the difference between the real and imaginary coordinate plane, the axis are labeled as x and y in real, and real and imaginary in imaginary.

'; rightans[0] = 1; rightans[1] = 1; rightans[2] = 1; rightans[3] = 1; rightans[4] = 1; //-->