Systems of Equations

In a system of equations, the solution is...

• the slope

• the y-intercept

• the point where the two lines intersect

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• no
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8A

What is the solution?
(Hint:  Both lines are graphed over each other)

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Tags

CCSS.8.EE.C.8A

In a system of equations, if two lines have the same slope but different y-intercept then there are...

• no solutions

• one solution

• infinitely many solutions

Suppose you were using the elimination method to solve the following system of equations

2x + 5y = 17

6x - 5y = 12

Would you use addition or subtraction to eliminate "y"?

• addition

• subtraction

Determine the best method to solve each system of equations.

2x + 3y = -11

-8x - 5y = 9

• Graphing

• Elimination

• Substitution

Determine the best method to solve each system of equations.

y + 4x = 3

y = -4x - 1

• Graphing

• Elimination

• Substitution

Which of the following ordered pairs is a solution to the system?

3x + 4y = 11

2x + y = -1

• (-3, -5)

• (3, 5)

• (3, -5)

• (-3, 5)