implify 9g−7h−6g + 2h . (1 point)
Responses
−2gh
negative 2 g h
3g − 5h
3 g minus 5 h
2gh − 4gh
2gh minus 4 g h
3g + 5h
3 g plus 5 h
9g - 7h - 6g + 2h simplifies to 3g - 5h.
Simplify 2a − 4b +7 + 8a + 6b − 2.(1 point)
Responses
10a + 2b +5
10 a plus 2 b plus 5
The simplified form of 2a - 4b + 7 + 8a + 6b - 2 is 10a + 2b + 5.
Simplify 67c − 59d − 12 c + 13d .(1 point)
Responses
59c + 412d = 59c +13d
Start Fraction 5 over 9 End Fraction c plus Start Fraction 4 over 12 End Fraction d equals Start Fraction 5 over 9 End Fraction c plus Start Fraction 1 over 3 End Fraction d
514c − 29d
Start Fraction 5 over 14 End Fraction c minus Start Fraction 2 over 9 End Fraction d
514c + 29d
Start Fraction 5 over 14 End Fraction c plus Start Fraction 2 over 9 End Fraction d
5/9c − 4/12d = 5/9c −1/3d
The simplified form of 67c - 59d - 12c + 13d is 55c - 46d.
Simplify 6/7c − 5/9d − 1/2 c + 1/3d .(1 point)
Responses
5/9c + 4/12d = 5/9c +1/3d
Start Fraction 5 over 9 End Fraction c plus Start Fraction 4 over 12 End Fraction d equals Start Fraction 5 over 9 End Fraction c plus Start Fraction 1 over 3 End Fraction d
5/14c − 2/9d
Start Fraction 5 over 14 End Fraction c minus Start Fraction 2 over 9 End Fraction d
5/14c + 2/9d
Start Fraction 5 over 14 End Fraction c plus Start Fraction 2 over 9 End Fraction d
5/9c − 4/12d = 5/9c −1/3d