CCSS.Math.Content.8.EE.C.8

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.Math.Content.8.EE.C.8

The ordered pair that satisfies all equations in the system.

• system of equations
• function
• graph
• solution of a system

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CCSS.Math.Content.8.EE.C.8

This system has _____ solutions

• No Solutions
• 1
• 2
• Infinite Solutions

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CCSS.Math.Content.8.EE.C.8

Solve by elimination:
3x+7y=23

-3x-7y=-17

• No solution
• ARN
• (-3,3)
• (3,3)

Tags

CCSS.Math.Content.8.EE.C.8

Which method would be best (quickest) for solving the system below:
3x - 4y = -2
y = 2x + 1

• Substitution
• Elimination
• Graphing
• None

Tags

CCSS.Math.Content.8.EE.C.8

3x + 2y = 16
14x + 2y = 38

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.Math.Content.8.EE.C.8

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

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CCSS.Math.Content.8.EE.C.8

Write the system of inequalities
Carlos works at a movie theater selling tickets. The theater has 300 seats and charges $7.50 for adults and $5.50 for children. The theater expects to make at least $2000 for each showing

• x+y≤300
  7.5x+5.5y≥2000
• x+y<300
  7.5x+5.5y≥2000
• x+y≤300
  7.5x+5.5y≤2000
• x+y>2000
  7.5x+5.5y≤300

Tags

CCSS.Math.Content.8.EE.C.8

Solve for x and y using any method we've learned!
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.Math.Content.8.EE.C.8

Which point is a solution to the system?

• (0, 6)

• (-3, 4)

• (1, 0)

• (-4, 3)

Tags

CCSS.Math.Content.8.EE.C.8