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Determine Between Substitution and Elimination

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Determine Between Substitution and Elimination
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8 questions

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1.

MATH RESPONSE QUESTION

1 min • 1 pt

Solve the system of equations by SUBSTITUTION, record your answer as an ordered pair without the comma. 6x + 2y = -26 x - 6y = 21

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MATH RESPONSE QUESTION

1 min • 1 pt

Solve the system of equations by SUBSTITUTION, record your answer as an ordered pair without the comma.. 5x + y = -10 4x - 7y = -8

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MATH RESPONSE QUESTION

1 min • 1 pt

Solve the following system by substitution or elimination, record your answer as an ordered pair without the comma.

(2/3)x + y = (14/3) (4/5)x - (3/4)y = -10

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MATH RESPONSE QUESTION

1 min • 1 pt

Define variables, set up a system, then solve by substitution or elimination. Erin bought 4 jars of jelly and 6 jars of peanut butter for $19.32. Adam bought 3 jars of jelly and 5 jars of peanut butter for $15.67. Find the cost of a jar of peanut butter.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve using substitution or elimination. −4x − 2y = −12 4x + 8y = −24

(5,-5)

(6,-6)

No solution

Infinitely many solutions

Tags

CCSS.8.EE.C.8B

6.

MATH RESPONSE QUESTION

1 min • 1 pt

Define variables, set up a system, then solve by substitution or elimination. Carter has 37 coins, all nickels and dimes in his piggy bank. The value of the coins is $3.10. How many dimes does Carter have?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method would be best (quickest) for solving the system below:

Substitution

Elimination

Graphing

None of these

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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