Systems of Equations

A system of equation is

• One situation talking about the same thing (variables)

• Two or more situations talking about the same thing (variables)

• No situations

• Two situations talking about multiple things (variables)

Tags

CCSS.8.EE.C.8C

The solution can be found using

• A graph

• A table

• Substitution and Elimination

• All of the above

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8B

This system has _____ solutions

• no

  (0)

• 1

• 2

• Infinitely many

Tags

CCSS.8.EE.C.8B

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinitely many solutions. 

• you will graph a giraffe. 

Tags

CCSS.8.EE.C.8B

What is the solution?

• (0,5)

• (3,8)

• (5,10)

• (8,16)

Tags

CCSS.8.EE.C.8C

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. 

Is (2,3) a solution for this system of equations?
y=3x
y=7x-8

• Yes
• No
• Maybe
• Idk

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

Tags

CCSS.8.EE.C.8B

Solve for x and y by using the substitution method.

y = 2x + 1

y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6