Mathematics B Regents High School Examination Worksheet- University Of The State Of New York, 2007 Page 3

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3 Which equation is best represented by the accompanying graph?
computations.
y
x
(3) y = 6x + 1
x
(1) y = 6
(4) y = −x
+ 1
2
2
(2) y = 6x
4 Jack is planting a triangular rose garden. The lengths of two sides of the
plot are 8 feet and 12 feet, and the angle between them is 87°. Which
expression could be used to find the area of this garden?
1
(1) 8
12
sin 87°
(3)
8
12
cos 87°
2
1
(4)
(2) 8
12
cos 87°
8
12
sin 87°
2
5 What could be the approximate value of the correlation coefficient for
the accompanying scatter plot?
y
x
(1) −0.85
(3) 0.21
(2) −0.16
(4) 0.90
[3]
[OVER]
Math. B – June ’07

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