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

A linear system has infinitely many solutions when the graphs of the equations are _____________.

• not identical
• parallel
• identical
• one point

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

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

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

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

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

Solve the system by elimination.  

−7x + 6y = 29
10x + y = 16 

• (1,6) 
• (−1,−3) 
•  (−3, −1) 
• (−1, 3) 

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

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

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

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240
• x + 2y > 240
• x + 2y ≤ 240
• x + 2y ≥ 240

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

Solve this system using any method.

• (-2, 4)
• (-2, -4)
• (2, -4)
• (2,4)

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

When you graph the exact same equation twice,

• you will have no solution.

• you will have one solution.

• you will have infinite solutions.

• you will graph a giraffe.

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

Jan has $100 in her bank account. She adds $15 to her account each month. Maura had $130 in her bank account . She adds $10 to her account each month. A system of equations is used to find how many monthly deposits will be needed for the accounts to have equal balances. Which graph correctly depicts this system of equations and its solution?

• 
• 
• 
• 

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

What system of equations is best represented by this graph?

• 
• 
• 
• 

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