Algebraic Representation 6th Grade STAAR

Burger Town sells cheeseburgers for $7.95 each, plus the cost of a soda, s. Which of the following equations best represents the cost, c, of a meal?

• c = 7.95s

• c = 8.95s

• c = 7.95s + 1.00

• c = 7.95 + s

A relationship is represented by the equation y = x - 12. Which of the following

tables bests represents the equation?

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The table shows the relationship between the distance away from the airport and the cost of a taxi ride to the airport. Which equation best represents the relationship in the table?

• c = 2.5d

• d = 2.5c

The table below shows the relationship between the number of miles traveled and the number of gallons of gas used. Which of the following statements best represents the relationship?

• The number of miles is the dependent quantity and the number of gallons is the independent quantity.

• The number of miles and the number of gallons are both dependent quantities.

• The number of gallons and the number of miles are both independent quantities.

• The number of miles is the independent quantity and the number of gallons is the dependent quantity.

The total number of eggs, y, contained in x cartons can be represented by the equation y = 12x. Which of the following graphs best represents this situation?

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The table below shows the relationship between the

number of bridesmaid bouquets and the number of flowers.

Which equation best represents the relationship?

• b=15f

• f=15b

• f=b+15

• f=15-b

Marcy is taking part in a summer movie club. She will earn 3 points for each movie she attends throughout the summer. Which equation represents the relationship between y, the total points, and x the number of movies?

• y=3x

• y=3+x

• x=3y

• x=y+3

The graph shows the amount of money that Janice saves each week from her summer job. Which best represents the dependent variable?

• The number of weeks

• The amount earned each week

• The total savings in dollars

• The number of hours worked each week

Two equations are shown below. Which of the statements best explains the relationship between the equations?

y=3x

y=x+3

• In y = x + 3, the value of y is 3 more than the value of y=3x.

• In y = 3x, the value of y is 3 times the value of y in the equation y=x+3

• In y=3x, the value of y is three times the value of x, and in y=x+3 the value of y is three less the value of x.

• In y=3x, the value of y is three times the value of x, and in y=x+3, the value of y is three more than the

  value of x.

Line A represents the equation y = 5x. Line B represents the equation y = x + 5. Which statement best describes the relationship between line A and line B?

• Line A will always be greater than line B.

• Line A and line B start at the same point.

• Line A increases more rapidly than line B.

• Line B increases more rapidly than line A.