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Answers and Explanations'); parent.frames[0].document.write('

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 <10; 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] = '(x/y) * (2/3)'; question[1] = '2x/y(4/2 + 2x/y)'; question[2] = 'x/4y(2y/3x - 4y/x)'; question[3] = 'x/4y(3x/y - 2y/3x)'; question[4] = '2x/3 * 3/2'; question[5] = '3x/7y(x - 3y/x)'; question[6] = '3x/y * 4/5'; question[7] = 'x/y * 4/5'; question[8] = '5x/2y * y/x'; question[9] = '7/2(x + 2y)'; answer[0] = '2x/3y'; answer[1] = '4x/y+4(x^2)/(y^2)'; answer[2] = '-5/6'; answer[3] = '3(x^2)/4(y^2)-1/6'; answer[4] = 'x'; answer[5] = '3(x^2)/7y-9/7'; answer[6] = '12x/5y'; answer[7] = '4x/5y'; answer[8] = '5/2'; answer[9] = '7x/2+7y'; explain[0] = '#1

x/y * 2/3

Multiply.

2x/3y

'; explain[1] = '#2

2x/y(4/2 + 2x/y)

Remember that a(b + c) is equal to ab + ac. Multiply.

4x/y+4(x^2)/(y^2)

'; explain[2] = '#3

x/4y(2y/3x - 4y/x)

Remember that a(b + c) is equal to ab+ac. Multiply.

2xy/12xy - 4xy/4xy

Perform the indicated division.(cancel.)

1/6 - 1

Perform the indicated subtraction.

-5/6

'; explain[3] = '#4

x/4y(3x/y -2y/3x)

Remember that a(b+c)is equal to ab+ac. Multiply.

3(x^2)/4(y^2) - 2xy/12xy

Perfrom the indicated division.(cancel.)

3(x^2)/4(y^2) - 1/6

'; explain[4] = '#5

2x/3 * 3/2

Multiply.

6x/6

Perform the indicated division.(Cancel.)

x

'; explain[5] = '#6

3x/7y(x - 3y/x)

Remember that a(b + c) is equal to ab + ac. Multiply.

3(x^2)/7y - 9xy/7xy

Divide (Cancel)

3(x^2)/7y-9/7

'; explain[6] = '#7

3x/y * 4/5

Multiply.

12x/5y

'; explain[7] = '#8

x/y * 4/5

Multiply.

4x/5y

'; explain[8] = '#9

5x/2y * y/x

Multiply.

5xy/2xy

Perform the indicated division. (Cancel)

5/2

'; explain[9] = '#10

7/2(x + 2y)

Remember that a(b + c) is equal to ab + ac. Multiply.

7x/2 + 7y

'; rightans[0] = 1; rightans[1] = 1; rightans[2] = 1; rightans[3] = 1; rightans[4] = 1; rightans[5] = 1; rightans[6] = 1; rightans[7] = 1; rightans[8] = 1; rightans[9] = 1; //-->