SOLVING SYSTEMS OF EQUATIONS-QUIZ

What is the best method to solve this system of equations?

5x - 4y = 11

5x + 4y = -14

• Graphing

• Substitution

• Elimination

• Connection

What is the best method for solving this system of equations?

x = -3y - 8

x - 2y = -3

• Substitution

• Elimination

• Graphing

• Dunking

Solve using elimination.

4x + 8y = 20

-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Solve with substitution

x = -3y - 8

x - 2y = -3

• (5, -1)

• (-5, 1)

• (-5,-1)

• (1,-5)

Is (1,10) a solution to

y=7x+5

y=x+9

• yes

• no

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Solve the following systems of equations using substitution:

2y + x = -15

x = 3y

• (-3, -9)

• (-9, -3)

• (-3, 9)

• (9, -3)

Solve the system of equations:

3x + y = –21

x + y = –5

• (-3,8)

• (8,-3)

• (3,-8)

• (-8,3)