Integrated Algebra Part I: Multiple Choice

1. Expressed in simplest form,

[1] 8a2 [2] 3a2 12a 3c is equivalent to: 4ac [3] 3a3 [4] 3a3c

6. The accompanying graph shows the high temperatures in

Elmira, New York for a 5-day period in January.

2. Which trinomial is equivalent to (3x - 2)(x + 4)?

[1] 3x2 + 10x + 8 [2] 3x2 - 10x - 8 [3] 3x2 + 10x - 8 [4] 3x2 - 10x + 8

Which statement describes the data? [1] median = mode [3] mean < mode [2] median = mean [4] mean = mode

3. Which property is illustrated by the equation

(a + b) + c = c + (a + b) ? [1] associative [3] distributive [2] commutative [4] identity

7. What is the slope of the line containing the points (-9,2) and

(3,14)? [1] 1 [2] -1 [3] − 8 3 [4] -2

4. Which interval notation is the set of all real numbers represented by this graph? [1] (-2,5) [2] [-2,5) [3] (-2,5] [4] [-2,5]

8. What is the value of w in the equation

[1] 2.4 [2] -0.2

3 1 w+8 = w−7 ? 4 3 [3] -13.846 [4] -36

9. One of the roots of the equation x2 + 3x - 18 = 0 is 3. What is 5. What is the value of y in the equation 2(3y - 4) = 10 ?

[1] 1

1 [2] 2 3

[3] 3

1 [4] 3

the other root? [1] 15 [2] 6

[3] -6

[4] -21

10. Which ordered pair is not in the solution set of y > 2x + 1 ?

[1] (1,4) http://regentsprep.org [2] (1,6)

[3] (3,8)

[4] (2,5)

11. What is the sum of 5 7 and 3 28 ?

[1] 9 7 [2] 11 7 [3] 60 7 [4] 8 35

15. In the scatter plot shown at the right, which statement best describes the correlation between the days of the week and the number of bicycles sold? [1] high negative correlation [2] low negative correlation [3] high positive correlation [4] low positive correlation

12. Given the equations y = x2 - 4x - 5 and y + x = -1, one point that satisfies both equations is: [1] (-2,1) [2] (4,-5) [3] (2,-9) [4] (5,0)

13. At Bison High School, there are 16 students in English Club,

16 students in Science Club and 20 students in Math Club. Of these