Replace Variables
6th Grade
•11 Qs
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Replace Variables
Quiz
•
Mathematics
•
6th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the variables in the following expression?
3, 4, 1 and 7
z, x and y
+ and -
15
Tags
CCSS.6.EE.A.2B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Define substitute.
the number multiplied by a variable
to replace a variable with a value or an expression
a number standing alone
to find the value of an expression
Tags
CCSS.6.EE.A.2C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
substitution
to replace one element of a mathematical equation or expression with another
S and operation symbols
an expression
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Determine which method would be the best method given the system below.
-8x - 2y = -4
y = -8x - 2
Substitution: Replace y in the top equation with -8x - 2
Elimination: Cancel out y variables right away
Substitution: Replace y in bottom equation with -8x - 2y
Elimination: Cancel out x variables right away
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine which method would be the best method given the system below.
8x - y = -8
y = 6x + 4
Substitution: Replace y in the top equation with 6x + 4
Elimination: Cancel out y variables right away
Substitution: Replace x in bottom equation with 8x - y
Elimination: Cancel out x variables right away
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine which method would be the best method given the system below.
y = 2x - 6
-7x - 4y = -6
Substitution: Replace y in the bottom equation with 2x - 6
Elimination: Cancel out y variables right away
Substitution: Replace x in bottom equation with 2x - 6
Elimination: Cancel out x variables right away
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Determine which method would be the best method given the system below.
x = 4y - 12
-14y - 8x = -12
Substitution: Replace y in the bottom equation with 4y - 12
Elimination: Cancel out y variables right away
Substitution: Replace x in bottom equation with 4y - 12
Elimination: Cancel out x variables right away
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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