Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Math
/
Algebra I
/
Choose an Efficient Method for a System
Worksheet
Grade Level
Algebra I
ALG1.62 Choose an Efficient Method for a System
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
System: y = (2/5)x - 7; 5y - 2x = -35. Which method is most efficient using the current form?
A
Substitution, because y is already isolated and substituting quickly checks if the equations match
B
Elimination, because the equations are already in the same form
C
Graphing, because fractional slopes must be graphed
D
Elimination, because the constants are negative
Submit Answer