What is the first step for solving the system? x = 4 − 2 y x=4-2y x = 4 − 2 y 3 x − 2 y = 4 3x-2y=4 3 x − 2 y = 4

3 ( 4 − 2 y ) − 2 y = 4 3\left(4-2y\right)-2y=4 3 ( 4 − 2 y ) − 2 y = 4

3 x − 2 ( 4 − 2 y ) = 4 3x-2\left(4-2y\right)=4 3 x − 2 ( 4 − 2 y ) = 4

3 x ( 4 − 2 y ) − 2 y = 4 3x\left(4-2y\right)-2y=4 3 x ( 4 − 2 y ) − 2 y = 4

Solve the system? (Show work in your note packet 4-78 A) x = 4 − 2 y x=4-2y x = 4 − 2 y 3 x − 2 y = 4 3x-2y=4 3 x − 2 y = 4

( 2 , 1 ) \left(2,\ 1\right) ( 2 , 1 )

N o S o l u t i o n No\ Solution N o S o l u t i o n

( 7 , − 1 ) \left(7,\ -1\right) ( 7 , − 1 )

( 0 , 2 ) \left(0,\ 2\right) ( 0 , 2 )

What is the first step for solving the system? x = − 5 y + 2 x=-5y+2\ \ \ \ x = − 5 y + 2 x = 3 y − 2 x=3y-2 x = 3 y − 2

− 5 y + 2 = 3 y − 2 -5y+2=3y-2 − 5 y + 2 = 3 y − 2

− 5 ( 3 y − 2 ) = 3 ( − 5 y + 2 ) -5\left(3y-2\right)=3\left(-5y+2\right) − 5 ( 3 y − 2 ) = 3 ( − 5 y + 2 )

3 ( − 5 y − 2 ) + 3 y − 2 = 10 3\left(-5y-2\right)+3y-2=10 3 ( − 5 y − 2 ) + 3 y − 2 = 1 0

Solve the system? (Show work in your note packet A-78 C) x = − 5 y + 2 x=-5y+2\ \ \ \ x = − 5 y + 2 x = 3 y − 2 x=3y-2 x = 3 y − 2

( − 1 2 , 1 2 ) \left(-\frac{1}{2},\ \frac{1}{2}\right) ( − 2 1 , 2 1 )

( 2 , 2 ) \left(2,\ 2\right) ( 2 , 2 )

( 1 2 , 1 2 ) \left(\frac{1}{2},\ \frac{1}{2}\right) ( 2 1 , 2 1 )

( − 2 , − 8 ) \left(-2,\ -8\right) ( − 2 , − 8 )

Solve the system? (Start by multiplying the first equation by 3. Show work in your note packet A-78 G) 5 x + 3 y = − 6 5x+3y=-6 5 x + 3 y = − 6 2 x − 9 y = 18 2x-9y=18 2 x − 9 y = 1 8

( 0 , − 2 ) \left(0,\ -2\right) ( 0 , − 2 )

N o S o l u t i o n No\ Solution N o S o l u t i o n

I n f i n i t e S o l u t i o n Infinite\ Solution I n f i n i t e S o l u t i o n

( − 6 5 , 0 ) \left(-\frac{6}{5},\ 0\right) ( − 5 6 , 0 )

What is the Best Method--Systems of Equations

Authored by Angela Ochoa

Mathematics

8th - 10th Grade

CCSS covered

Used 49+ times

What is the Best Method--Systems of Equations

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14 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the following system?
$x=4-2y$
$3x-2y=4$

Substitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the following system?
$3x+y=1$
$4x+y=2$

Substitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the following system?
$x=-5y+2\ \ \ \$
$x=3y-2$

Substitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the following system?
$2x+4y=10$
$x=2y+5\ \$

Substitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the system?
$y=\frac{1}{2}x+4$
$y=-2x+9$

Subsitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the system?
$-6x+2y=76$
$3x-y=-38$

Subsitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the system?
$5x+3y=-6$
$2x-9y=18$

Subsitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the most efficient method for solving the system?
$x-3=y$
$2\left(x-3\right)-y=7$

Subsitution

Elimination

Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step for solving the system?
$x=4-2y$
$3x-2y=4$

$3x-2\left(4-2y\right)=4$

$3\left(4-2y\right)-2y=4$

$3x\left(4-2y\right)-2y=4$

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

10.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system? (Show work in your note packet 4-78 A)
$x=4-2y$
$3x-2y=4$

$No\ Solution$

$\left(7,\ -1\right)$

$\left(2,\ 1\right)$

$\left(0,\ 2\right)$

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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What is the Best Method--Systems of Equations

Which is the most efficient method for solving the following system? x=4−2yx=4-2yx=4−2y 3x−2y=43x-2y=43x−2y=4

Which is the most efficient method for solving the following system? 3x+y=13x+y=13x+y=1 4x+y=24x+y=24x+y=2

Which is the most efficient method for solving the following system? x=−5y+2 x=-5y+2\ \ \ \ x=−5y+2 x=3y−2x=3y-2x=3y−2

Which is the most efficient method for solving the following system? 2x+4y=102x+4y=102x+4y=10 x=2y+5 x=2y+5\ \ x=2y+5

Which is the most efficient method for solving the system? y=12x+4y=\frac{1}{2}x+4y=21​x+4 y=−2x+9y=-2x+9y=−2x+9

Which is the most efficient method for solving the system? −6x+2y=76-6x+2y=76−6x+2y=76 3x−y=−383x-y=-383x−y=−38

Which is the most efficient method for solving the system? 5x+3y=−65x+3y=-65x+3y=−6 2x−9y=182x-9y=182x−9y=18

Which is the most efficient method for solving the system? x−3=yx-3=yx−3=y 2(x−3)−y=72\left(x-3\right)-y=72(x−3)−y=7

What is the first step for solving the system? x=4−2yx=4-2yx=4−2y 3x−2y=43x-2y=43x−2y=4

Solve the system? (Show work in your note packet 4-78 A) x=4−2yx=4-2yx=4−2y 3x−2y=43x-2y=43x−2y=4

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Discover more resources for Mathematics

Which is the most efficient method for solving the following system?
$x=4-2y$
$3x-2y=4$

Which is the most efficient method for solving the following system?
$3x+y=1$
$4x+y=2$

Which is the most efficient method for solving the following system?
$x=-5y+2\ \ \ \$
$x=3y-2$

Which is the most efficient method for solving the following system?
$2x+4y=10$
$x=2y+5\ \$

Which is the most efficient method for solving the system?
$y=\frac{1}{2}x+4$
$y=-2x+9$

Which is the most efficient method for solving the system?
$-6x+2y=76$
$3x-y=-38$

Which is the most efficient method for solving the system?
$5x+3y=-6$
$2x-9y=18$

Which is the most efficient method for solving the system?
$x-3=y$
$2\left(x-3\right)-y=7$

What is the first step for solving the system?
$x=4-2y$
$3x-2y=4$

Solve the system? (Show work in your note packet 4-78 A)
$x=4-2y$
$3x-2y=4$