MCAS 1999, 10th Grade Math, Questions 29-32

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Question #29

Use the table below to answer question 29.

Which graph best represents the relationship between the lengths and widths of all rectangles with an area of 24 square units?

Which of these statements about geometric figures is always true?

A. All right triangles are similar.

B. If two triangles are similar, then they have equal areas.

C. If two triangles are congruent, then they have equal areas.

D. All trianges with equal areas are congruent.

If the perimeter of an isosceles triangle is 24 cm, which of the following cannot be the base?

A. 4 cm

B. 6 cm

C. 10 cm

D. 12 cm

Use the graph below to answer question 32.

Which equation could describe the line of best fit for the graph above?

A. y = 5x + 236

B. y = -5x + 236

C. y = (1/5)x + 236

D. y = (-1/5)x + 236