
Fred's Equation Error Analysis
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
FREE Resource
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main task Fred was trying to accomplish?
Solve a quadratic equation
Solve a linear equation
Graph a function
Factor a polynomial
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Between which steps did Fred make an error?
Steps 4 and 5
Steps 1 and 2
Steps 3 and 4
Steps 2 and 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mistake did Fred make in his calculation?
He combined a negative and a positive number incorrectly
He forgot to carry over a digit
He multiplied instead of adding
He added two negative numbers incorrectly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should the correct result of -42 + 4 be?
46
-38
-46
38
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct form of the equation Fred should have used?
24X - 56 = -6X - 38
24X + 56 = -6X - 46
24X - 56 = -6X + 46
24X + 56 = -6X + 38
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the corrected equation?
Subtract 6X from both sides
Add 6X to both sides
Divide both sides by 2
Multiply both sides by 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After combining like terms, what equation do we get?
30X - 56 = -38
30X + 56 = 38
30X + 56 = -38
30X - 56 = 38
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