Exploring Always Equal Machines
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Sophia Harris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main takeaway from the introduction about the two machines with different expressions?
The machines never produce the same output.
The machines sometimes produce the same output.
The machines always produce different outputs.
The machines always produce the same output.
Tags
CCSS.RI. 9-10.2
CCSS.RL.6.2
CCSS.RL.7.2
CCSS.RL.8.2
CCSS.RL.9-10.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When will the new machines with expressions x-2 and 2-x have equal outputs?
Never
Always
Sometimes
Only when x is negative
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are expressions called that give the same output for every input?
Opposite expressions
Similar expressions
Different expressions
Equivalent expressions
Tags
CCSS.6.EE.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following values, when plugged into the expressions 3(4x-5) and 12x-15, shows they are equivalent?
x = 1
x = 0
x = 2
x = -1
Tags
CCSS.6.EE.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expanded form of 2 times (10 - x)?
10 - 2x
10 + 2x
20 + 2x
20 - 2x
Tags
CCSS.6.EE.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression is equivalent to 2 times (10 - x)?
20 + 2x
2x - 20
20 - 2x
10 - 2x
Tags
CCSS.6.EE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expanded form of -5 times (8 - 2x)?
-40 - 10x
-40 + 10x
40 - 10x
40 + 10x
Tags
CCSS.6.EE.A.3
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