Solving Rational Equations and State Extraneous Solution

Quiz
•
Mathematics
•
11th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
9 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
State the domain restrictions.
x ≠ 3, -2, 6, -1
x ≠ -1, 6
x ≠ 3, -2
No Domain Restrictions
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
x ≠ 5
x ≠ -5
x ≠ 2
x ≠ 7
Tags
CCSS.HSA.REI.A.2
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
x ≠ 3
x ≠ -6
x ≠ 0
x ≠ 7
Tags
CCSS.HSA.REI.A.2
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x ≠ 4
x ≠ -2
x ≠ 2
x ≠ 2, x ≠ 4
Tags
CCSS.HSA.REI.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve.
x = 5
x = -3
x = 3
x = -5
Tags
CCSS.HSA.REI.A.2
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by cross-multiplying.
x = 2
No Solution
x = -10
x = 10
Tags
CCSS.HSA.REI.A.2
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x.
2
18/5
26/5
6
Tags
CCSS.HSA.REI.A.2
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