Checking Solutions to Equations
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a solution to an equation?
Back
A solution to an equation is a value that, when substituted for the variable, makes the equation true.
2.
FLASHCARD QUESTION
Front
How do you check if a number is a solution to an equation?
Back
To check if a number is a solution, substitute the number into the equation and see if both sides are equal.
Tags
CCSS.6.EE.B.5
3.
FLASHCARD QUESTION
Front
What does it mean if substituting a number into an equation results in a false statement?
Back
It means that the number is not a solution to the equation.
Tags
CCSS.6.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the equation for checking if n=10 is a solution?
Back
n + 5 = 2n.
Tags
CCSS.6.EE.B.5
5.
FLASHCARD QUESTION
Front
Is n=10 a solution of the equation n + 5 = 2n?
Back
No, because substituting n=10 gives 10 + 5 = 2(10) which simplifies to 15 = 20, a false statement.
Tags
CCSS.6.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the equation for checking if z=-3 is a solution?
Back
2z + 6 = 0.
Tags
CCSS.6.EE.B.5
7.
FLASHCARD QUESTION
Front
Is z=-3 a solution to the equation 2z + 6 = 0?
Back
Yes, because substituting z=-3 gives 2(-3) + 6 = 0, which simplifies to 0 = 0, a true statement.
Tags
CCSS.6.EE.B.5
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