What does it mean for two equations to be equivalent?

Understanding Equivalence in Equations

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They have different solutions for the same variable.
They look exactly the same.
They cannot be solved.
They have the same solution for any variable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which operation is NOT equivalence-preserving?
Subtracting the same number from both sides.
Combining like terms.
Adding a different number to each side.
Distributing a constant across terms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an equivalence-preserving operation?
Dividing one side by a variable.
Subtracting the same number from both sides.
Multiplying both sides by zero.
Adding different numbers to each side.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of multiplying both sides of an equation by a non-zero constant?
It makes the equation unsolvable.
It turns the equation into a quadratic.
It preserves the equivalence of the equation.
It changes the solution of the equation.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you add a number to only one side of an equation?
The equation remains equivalent.
The equation becomes non-equivalent.
The equation becomes unsolvable.
The equation becomes a quadratic.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a non-equivalence preserving operation?
Multiplying both sides by zero.
Adding the same number to both sides.
Combining like terms.
Distributing a constant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is dividing by zero problematic in equations?
It makes the equation equivalent.
It results in an undefined operation.
It simplifies the equation.
It has no effect on the equation.
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