STAAR Review 5: Systems

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Tags

A.3F

Which graph best represents a system of equations that has no solution?

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A.3F

A system of equations is graphed on the grid.

Which system of equations is best represented by the graph?

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A.2I

The tables of ordered pairs represent some points on the graphs of lines f and g.

Which system of equations represents f and g?

• y = 1.75x + 3.5

  y = -4x - 8

• y = 1.75x + 3.5

  y = -4x - 2

• y = 3.5x + 1.75

  y = -4x - 8

• y = 3.5x + 1.75

  y = -4x - 2

Tags

A.2I

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches.

Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?

• x + y = 140

  12x + 7y = 15

• 7x + 12y = 140

  7x + 12y = 15

• x + y = 15

  7x + 12y = 140

• x + y = 15

  12x + 7y = 140

Tags

A.2I

What is the x-value of the solution to this system of equations?

x = 2y - 4

7x + 5y = -66

• -2

• -8

Tags

A.5C

• -2

• 3

Tags

A.5C

A college student completed some courses worth 3 credits and some courses worth 4 credits. The student earned a total of 59 credits after completing 18 courses.

How many courses worth 3 credits did the student complete?

• 13

• 5

• 20

• 39

Tags

A.5C