8th STAAR 9a (system of equations graph)

The two lines graphed on the coordinate grid each represent an equation.

Which ordered pair represents a solution to both equations?

• (-4, 0)

• (-3, 3)

• (3, -3)

• (0, 4)

Frank and Erica are selling ribbons to raise money for the football team. The graph shows the linear relationship between the numbers of ribbons each of them has left to sell and the number of days that they have been selling ribbons.

On which day does it appear that Frank and Erica will have the same number of ribbons left to sell?

• Day 15

• Day 48

• Day 33

• Day 18

The graph models the relationship between the charge for a trip and the number of miles driven for two taxis.

Based on the graph, which statement appears to be true?

• The charge for a trip with a distance of 5 miles is $5 greater for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $5 less for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $20 for both Taxi 1 and Taxi 2.

• The charge for a trip with a distance of 5 miles cannot be determined for either Taxi 1 or Taxi 2.

The two lines graphed on the coordinate grid each represent an equation.

Which ordered pair represents a solution to both equations?

• (-4, 0)

• (-2, 1)

• (0, -4)

• (1, -2)

The two lines are graphed on the coordinate grid represent a system of equations.

What is the x-coordinate of the ordered pairs that best represents a solution to both equations.