What would be the first step in finding the solution using elimination? 2x + 2y = -2 3x - 2y = 12

you cannot solve this using eliminiation

change to slope intercept form and graph

What would be the first step in finding the solution with elimination? 4x + 3y = 1 x - 3y = -11

change all the signs of the second equation

What is the first step in solving a system of equations by elimination?

Get both equations in standard form and line up the like terms.

Get both equations in slope-intercept form.

Get both equations equal to zero.

If a system of equations has infinitely many solutions, what does the graph look like?

the same line (coinciding lines)

What is the first step in solving the following system of linear equations using the elimination method? x + y = 2 x+y=2 x + y = 2 2 x + 7 y = 9 2x+7y=9 2 x + 7 y = 9

Multiply all terms in the top equation by -2 so that you can eliminate the x terms.

Add the x terms in the two equations and the y terms in the two equations so you get 3x + 8y = 11

Multiply all terms in the top equation by 2 so that you can eliminate the x terms

Multiply the x in the first equation by -2 so you get -2x + y = 2

Describe the error in solving the system of equations using elimination:

The subtracted 5x and x to get 4x, but they should have added the x terms to get 6x = 24.

They eliminated the x terms when they should have eliminated the y terms.

They added 16 and 8 to get 24, but they should have subtracted them to get 8 on the right side of the equation.

They eliminated the y terms, but they couldn't because one is a negative and one is a positive.

What variable do you eliminate? 4x + 8y = 20 −4x + 2y = −30

X because they have opposite signs

Y because they have opposite signs

What variable would be easier to eliminate, and what do you multiply the equation(s) by? 5x + y = 9 10x − 7y = −18

You eliminate y, and multiply the top equation by 7

You eliminate x, and multiply the top equation by -2

Solving Systems of Equations using Elimination

Authored by Shelley West

Mathematics

8th - 12th Grade

CCSS covered

Used 44+ times

Solving Systems of Equations using Elimination

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which variable would be easiest to eliminate?

Neither

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you solve the system of equations, what is the solution for y?

-1

-8

Tags

CCSS.HSA.REI.C.9

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you solve the system of equations, what is the solution for x?

-1

-4

Tags

CCSS.HSA.REI.C.9

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Parallel Lines never intersect because...

they have the same slopes.

they have the same y-intercept.

they have different slopes.

they have different y-intercepts.

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Where do these lines intersect?
x-y=11
2x+y=19

(10,-1)

(-1,10)

(3,-4)

(6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A ________________ is a set of two or more equations that have the same variables.

solution of a system

elimination method

system of equations

table

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using Elimination.
4x + 8y = 20
-4x + 2y = -30

(-7,1)

(2,-5)

(-2,5)

(7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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Solving Systems of Equations using Elimination

Which variable would be easiest to eliminate?

When you solve the system of equations, what is the solution for y?

When you solve the system of equations, what is the solution for x?

Parallel Lines never intersect because...

Where do these lines intersect?
x-y=11
2x+y=19

A ________________ is a set of two or more equations that have the same variables.

Solve using Elimination.
4x + 8y = 20
-4x + 2y = -30

Solve using elimination.
7x + 2y = 24
8x + 2y = 30

If two lines are parallel, how many solutions do they have?

What would be the first step in finding the solution using elimination?
2x + 2y = -2
3x - 2y = 12

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Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solving Systems of Equations using Elimination

Which variable would be easiest to eliminate?

When you solve the system of equations, what is the solution for y?

When you solve the system of equations, what is the solution for x?

Parallel Lines never intersect because...

Where do these lines intersect?x-y=112x+y=19

A ________________ is a set of two or more equations that have the same variables.

Solve using Elimination. 4x + 8y = 20-4x + 2y = -30

Solve using elimination. 7x + 2y = 24 8x + 2y = 30

If two lines are parallel, how many solutions do they have?

What would be the first step in finding the solution using elimination? 2x + 2y = -23x - 2y = 12

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Where do these lines intersect?
x-y=11
2x+y=19

Solve using Elimination.
4x + 8y = 20
-4x + 2y = -30

Solve using elimination.
7x + 2y = 24
8x + 2y = 30

What would be the first step in finding the solution using elimination?
2x + 2y = -2
3x - 2y = 12