Integrated Algebra - January 2011

7 The rectangle shown below has a
diagonal of 18.4 cm and a width of

7 cm.

To the nearest centimeter, what is the length, x, of the rectangle?

(1) 11 (3) 20

(2) 17 (4) 25

8 When a 3 - 4a is factored completely, the result is

(1) (a - 2)(a + 2)
(3) a^{2 }(a - 4)

(2) a (a - 2)(a + 2) (4) a (a - 2)^{2}

^{9 Which ratio represents sin x in the
right triangle shown below?}

10 What is the value of the expression (a^{3}
+ b0)^{2 }when a = -2 and

b = 4?

(1) 64 (3) -49

(2) 49 ( 4) -64

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