What does it mean when an equation has 'no solution'?
Pre-Algebra Unit 4 Review

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An equation has 'no solution' when there are no values for the variable that can satisfy the equation. This often occurs when simplifying leads to a false statement, such as 0 = 5.
2.
FLASHCARD QUESTION
Front
Solve the equation: 2x + 1 = 2x - 1
Back
No Solution
3.
FLASHCARD QUESTION
Front
Which equation will end in 'no solution'? 2w - 11 = 3w + 5 or w + 7 + w = 2w - 9?
Back
w + 7 + w = 2w - 9
4.
FLASHCARD QUESTION
Front
What is an inequality?
Back
An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.
5.
FLASHCARD QUESTION
Front
Write the inequality that represents Johnny's earnings: He earns $15 per hour and wants to earn at least $105.
Back
15h ≥ 105
6.
FLASHCARD QUESTION
Front
Back
r = 67
7.
FLASHCARD QUESTION
Front
What does the symbol '>' mean in an inequality?
Back
'>' means 'greater than'. It indicates that the value on the left is larger than the value on the right.
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