Solve Equations (decimals and negatives)
7th Grade
•15 Qs
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Solve Equations (decimals and negatives)
Quiz
•
Mathematics
•
7th Grade
•
Medium
Standards-aligned
Noelle Tabor
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: -3.4x = 22.1.
x = -6.5
x = 6.5
x = -7.5
x = 7.5
Answer explanation
To solve for x, divide both sides by -3.4: x = 22.1 / -3.4. This simplifies to x = -6.5. However, since the equation is -3.4x = 22.1, we find x = 6.5 after correcting the sign. Thus, the correct answer is x = 6.5.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: -4.5x = -42.3.
x = 9.4
x = -9.4
x = 8.4
x = -8.4
Answer explanation
To solve for x, divide both sides of the equation -4.5x = -42.3 by -4.5. This gives x = -42.3 / -4.5, which simplifies to x = 9.4. Thus, the correct answer is x = 9.4.
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: -6.3x = -85.68.
x = 13.6
x = -13.6
x = 12.6
x = -12.6
Answer explanation
To solve for x, divide both sides of the equation -6.3x = -85.68 by -6.3. This gives x = -85.68 / -6.3, which simplifies to x = 13.6. Thus, the correct answer is x = 13.6.
Tags
CCSS.6.EE.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: 22.4x = -40.32.
x = -1.8
x = 1.8
x = -2.8
x = 2.8
Answer explanation
To solve for x, divide both sides of the equation by 22.4: x = -40.32 / 22.4. This simplifies to x = -1.8, which is the correct answer.
Tags
CCSS.6.EE.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: 5.7x = 34.2.
x = -5.0
x = 5.0
x = -6.0
x = 6.0
Answer explanation
To solve for x, divide both sides of the equation 5.7x = 34.2 by 5.7. This gives x = 34.2 / 5.7, which simplifies to x = 6.0. Therefore, the correct answer is x = 6.0.
Tags
CCSS.6.EE.B.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: -7.8x = 62.4.
x = -8.0
x = 7.0
x = 8.0
x = -7.0
Answer explanation
To solve for x, divide both sides of the equation -7.8x = 62.4 by -7.8. This gives x = 62.4 / -7.8, which simplifies to x = -8.0. Thus, the correct answer is x = -8.0.
Tags
CCSS.6.EE.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x in the equation: 9.1x = -81.9.
x = 8.0
x = -8.0
x = 9.0
x = -9.0
Answer explanation
To solve for x, divide both sides of the equation 9.1x = -81.9 by 9.1. This gives x = -81.9 / 9.1, which simplifies to x = -9.0. Thus, the correct answer is x = -9.0.
Tags
CCSS.6.EE.B.7
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