Unit 3 Quiz 3 Systems of Linear Equations

Which system of equations has no solution?

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• 
• 
• 

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

5x + 2y = −15

2x − 2y = −6

• (−3,0)

• (0, −3)

• (−3,6)

• (6,−3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations below?

2x + 3y = 6

x − 3y = 9

• $\left(-1,\ \frac{8}{3}\right)$

• $\left(-3,-4\right)$

• $\left(5,\ -\frac{4}{3}\right)$

• $\left(8,-\frac{1}{3}\right)$

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The amount of revenue in dollars, y, that Jason receives from selling x posters is given by the equation y = 4x. The cost of producing x posters is given by the equation y=0.5x+280. How many posters does Jason need to sell so

that the cost and revenue are equal?

• 40

• 80

• 140

• 320

Tags

CCSS.8.EE.C.8C

What system of equations represents the graph?

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• 
• 

Tags

CCSS.8.EE.C.8B

Which system of equations has infinitely many solutions?

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• 
• 

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (-4, 2)

• (-1, 3)

• (0, 2)

• (2, 4)

Tags

CCSS.8.EE.C.8B

The population growth of two towns over a period of five years is represented by the system of equations below, both algebraically and graphically.

y = x + 6

y = 2x + 2

Which ordered pair is the solution to the system of equations?

• (2, 6)

• (4, 10)

• (6, 2)

• (10, 4)

Tags

CCSS.8.EE.C.8B

Determine the solution to the system of equations below.

x − 3y = 1

3x − 5y = 11

• (2,7)

• (7,2)

• No solution

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Extra Credit!

What are some positives about learning remotely?

Tags

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.7.7

CCSS.RL.8.7

CCSS.RL.9-10.7