Graphing Systems of Equations

What are the three methods to solve systems of equations?

• Multiplication, division, and subtraction

• None of the above

• Addition, subtraction, and division

• Graphing, substitution, and linear combinations

Which method is highlighted as a visual way to solve systems of equations?

• Graphing

• None of the above

• Substitution

• Linear combinations

What does Dave want to find out about the power washer rental plans?

• The cheapest plan for one hour

• The number of hours for the same cost in both plans

• The most expensive plan

• The plan with the least initial fee

What is the slope of Rental Plan A?

• 5

• 10

• 2

• 25

At what point do the two rental plans cost the same?

• (6, 40)

• (3, 25)

• (10, 50)

• (5, 35)

For how many hours is Plan A cheaper than Plan B after the break-even point?

• Less than 5 hours

• Plan A is always cheaper

• More than 5 hours

• Exactly 5 hours

What happens when two lines in a graph never meet?

• The system has one solution

• The system has infinite solutions

• The system has no solution

• The system cannot be determined

What is the y-intercept of the line representing the first equation in the special case?

• 0

• 3

• 1/2

• -6

What does it mean if two equations are coincident?

• They have no common solution

• They have exactly one common solution

• They have infinite common solutions

• They are not related

What does the graph reveal about a system of equations in most cases?

• No solutions

• Exactly one solution

• Infinite solutions

• Cannot be determined