Linear Equations Quiz

How can you use the graphs to determine the number of solutions of each system?

• By finding the area under the curve

• By inspecting the slopes and y-intercepts

• By calculating the standard deviation

• By using the Pythagorean theorem

Tags

CCSS.8.EE.C.8B

How do the points of intersection of the graphed lines relate to the solutions of the systems of linear equations?

• They have no relation

• They represent the number of solutions

• They indicate the slope of the lines

• They show the y-intercepts of the lines

Tags

CCSS.8.EE.C.8B

What can you determine about the solution of the system of equations if the equations have the same slopes?

• The system has exactly two solutions

• The system has exactly one solution

• The system has infinitely many solutions

• The system has no solution

Tags

CCSS.8.EE.C.8B

Harrison and Pia each buy x comic books. Harrison also buys an action figure for $15, while Pia buys a different action figure for $12. Could they each spend the same amount, y, and buy the same number of comic books? Explain.

• It depends on the type of action figure they buy

• No, they could not spend the same amount and buy the same number of comic books

• It depends on the price of the comic books

• Yes, they could spend the same amount and buy the same number of comic books

Tags

CCSS.7.EE.B.4A

How does the graph of a system of linear equations represent the solution?

• It represents the area under the curve

• It shows the points of intersection

• It indicates the slope of the lines

• It shows the number of solutions

Tags

CCSS.8.EE.C.8B

If one linear equation is a multiple of another, what does it indicate about the system of equations?

• The system has no solution

• The system has exactly one solution

• The system has infinitely many solutions

• The system has exactly two solutions

Tags

CCSS.8.EE.C.8B

How many solutions does the system of equations y = -3x + 5 and y = -3x - 5 have? Explain.

• Exactly two solutions

• Exactly one solution

• Infinitely many solutions

• No solution

Tags

CCSS.8.EE.C.8B

How many solutions does the system of equations y = 3x + 45 and 5y - 15x - 20 = 0 have? Explain.

• Infinitely many solutions

• Exactly two solutions

• No solution

• Exactly one solution

Tags

CCSS.8.EE.C.8B