Integrated Algebra - June 2011

11 Which type of function is represented by the graph shown below?

(1) absolute value     (3) linear
(2) exponential         (4) quadratic

12 Which equation represents a line parallel to the y-axis?

(1) y = x    (3) x = −y
(2) y = 3    (4) x = −4

13 Melissa graphed the equation y = x2 and Dave graphed the equation y = −3x2 on the same coordinate grid. What is the relationship between the graphs that Melissa and Dave drew?

(1) Dave’s graph is wider and opens in the opposite direction from Melissa’s graph.
(2) Dave’s graph is narrower and opens in the opposite direction from Melissa’s graph.
(3) Dave’s graph is wider and is three units below Melissa’s graph.
(4) Dave’s graph is narrower and is three units to the left of Melissa’s graph.

14 In right triangle ABC shown below, AB = 18.3 and BC = 11.2.

What is the measure of ∠A, to the nearest tenth of a degree?

(1) 31.5      (3) 52.3
(2) 37.7      (4) 58.5

15 The maximum height and speed of various roller coasters in North
America are shown in the table below.

Which graph represents a correct scatter plot of the data?

Click here for larger image 

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