Solving Systems of Equations Review

Solving Systems of Equations Review

Poll

On a scale of 1 to 5, how are you feeling today? 5 being best and 1 being the worst.

• 1 😢

• 2 🙁

• 3 😐

• 4 🙂

• 5 😁

Multiple Choice

What type of slope?

• negative
• steep
• undefined
• zero slope

Multiple Choice

Is (20, -3) a solution to the system shown?

• Yes

• No

Multiple Choice

Which of the following is not a method to solve systems?

• Elimination
• Difference of Squares
• Substitution
• Graphing

Poll

What is your "favorite" way to solve linear systems?

• elimination

• substitution

• graphing

• equal values method

Multiple Choice

What is the solution of this system?

• (0,0)

• (2,4)

• same line; infinite solutions

• parallel lines; no solution

Multiple Choice

Which method would be the best choice for solving the system of equations:
x + 3y = 12
x = -6y

• Substitution
• Graphing
• Elimination

Multiple Choice

In 3x + 2y = 10    and    x - 5y = 18, which variable should you isolate first?

• The x in the first equation
• The y in the first equation
• The x in the first equation
• The x in the second equation

Multiple Choice

What would be the first step in solving the system of equations using elimination?
 $x+y=11$  
 $2x+y=19$  

• Multiply the first equation by  $-1$  

• Add both equations

• multiply the first equation by 2

• Add  $-1$  to the second equation

Multiple Choice

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Multiple Choice

What is the solution to this system?

• One Solution
• No solution
• Infinitely Many Solutions

Multiple Choice

This system has _____ solutions

• no

• 1

• 2

• infinitely many

Multiple Choice

Solve the following system of equations by graphing. $y=-\frac{1}{4}x-4$  
 $y=\frac{5}{4}x+2$  

• (-4,-3)

• (4,7)

• No solution

• Infinite Solutions
  

Open Ended

What are you looking forward to this week?