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Extraneous Solutions
Quiz
•
Mathematics
•
11th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following below would be an extraneous solution to the equation?
Tags
CCSS.HSA.REI.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following below would be an extraneous solution to the equation?
Tags
CCSS.HSA.REI.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following below would be an extraneous solution to the equation?
Tags
CCSS.HSA.REI.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you know when a solution is extraneous?
When you plug in the solution, there is 0 in a numerator.
When you plug in the solution, there is 0 in a denominator.
When the solution is x = 0
It looks extra. 💁♀️
Answer explanation
We are not allowed to divide by 0! So when there's a 0 in the denominator after substituting it in, the solution is extraneous.
Tags
CCSS.HSA.REI.A.2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
When we solve an equation, a result that is not really a solution to the equation is called an _______________ result.
Answer explanation
Extraneous
Tags
CCSS.HSA.REI.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-2
2
0
-1
Tags
CCSS.8.EE.C.7B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0
-5
5
2
Tags
CCSS.HSA.REI.A.2
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