Systems of Equations Graphing and Substitution Y-Intercept Form

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the y-coordinate of the solution to the system of equations 
x-2y=1
x+4y=7 

• 1

• -1

• 3

• 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following systems of equations using substitution:

2y + x = -15

x = 3y

• (-3, -9)

• (-9, -3)

• (-3, 9)

• (9, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the best method to use?

y = 6x − 11

−2x − 3y = −7

• Graphing

• Substitution because a variable is isolated.

• Elimination because both equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is (1,10) a solution to

y=7x+5

y=x+9

• yes

• no

Two or more linear equations with the same variables

• Set of Linear Equations

• System of Linear Equations

• Process of Linear Equations

• Multiple Linear Equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The solution to the system of linear equations is...

(a)  

Tags

CCSS.8.EE.C.8B

Select all the methods you can use to solve a system of equations

• Graphing

• Elimination

• Substitution

• Using a Table

• Desmos

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions does the following graph have?

• One solution

• Two solutions

• No solutions

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

What program can you use to quickly check and/or solve a system of linear equations?

• delta math

• desmos

• math way

• photo math

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6