Unit 2 Review TEKS

Triangle KLM and triangle PRS are similar right triangles. Which proportion can be used to show that the slope of line KM is equal to the slope of line PS?

Gwen spent $12.50 to purchase 5 bracelets. Each bracelet cost the same amount. Which graph has a slope that best represents this rate?

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The line graphed on the coordinate grid can be used to determine the number of inches of water added to a swimming pool after different numbers of hours. Which statement best describes the slope of the graphed line?

• The water is being added at a rate of 0.42 inch per hour.

• The water is being added at a rate of 0.80 inch per hour.

• The water is being added at a rate of 2.40 inches per hour.

• The water is being added at a rate of 1.25 inches per hour.

A company is drilling a water well. The graph models the linear relationship between the depth of the well and the time spent drilling. Which function best represents the relationship between y and x?

Triangle DEF and triangle GHI are similar right triangles. Based on this information, which statement is true?

• The relationship between the slope of triangle DEF and the slope of triangle GHI cannot be determined.

• The slope of triangle DEF is greater than the slope of triangle GHI.

• The slope of triangle DEF is less than the slope of triangle GHI.

• The slope of triangle DEF is equal to the slope of triangle GHI.

Judy can decorate 3 cakes in 5 hours. Which graph has a slope that best represents the number of cakes per hour that Judy can decorate?

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The graph of a linear function is shown on the coordinate grid. What is the y-intercept of the graph of the linear function?

Which equation can be used to describe the relationship between x and y shown in the graph?

Which proportion can be used to show that the slope of line PR is equal to the slope of line RT?

On a field trip, there are 3 adults for every 45 students. Which graph models a relationship with the same unit rate?

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