Integrated Algebra - January 2011

11 A student correctly graphed the parabola shown below to solve a
given quadratic equation.

What are the roots of the quadratic equation associated with this graph?

(1) -6 and 3      (3) -3 and 2
(2) -6 and 0      (4) -2 and 3

13 What is the range of the data represented in the box-and-whisker plot
shown below?

(1) 40   (3) 60
(2) 45   (4) 100

14 Which equation illustrates the associative property?

(1) x + y + z = x + y + z
(2) x(y + z) = xy + xz
(3) x + y + z = z + y + x
(4) (x + y) + z = x + (y + z)

15 Josh and Mae work at a concession stand. They each earn $8 per hour.
Josh worked three hours more than Mae. If Josh and Mae earned a total of $120, how many hours did Josh work?

(1) 6    (3) 12
(2) 9    (4) 15

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