1. COMPASS Practice Test 15

2. 1. Which equation best describes the data in this table?
¡ A. Y = 4X - 7
¡ B. Y = X - 6
¡ C. Y = -2X + 5
¡ D. Y = 4X + 3
¡ E. Y = 3X + 5

3. 1 Which equation best describes the data in this table?
Calculate the slope
Find b
Plug in a point.
Use -2 for the slope.
Answer C

4. 2 For all x,
¡ A. 9
¡ B. 3
¡ C. 16
¡ D. 7
¡ E. 4

5. 3
¡ A.
¡ B.
¡ C.
¡ D.
¡ E.

6. 3
Before addition the fractions must be rewritten with a common
denominator. The LCD is 6.
Answer C

7. 4 What is the slope of 3x + 2y = 6?
¡ B.
¡ C.
¡ D.
¡ E.

8. 4 What is the slope of 3x + 2y = 6?
Solve for y, then the coefficient of x is the slope.
Answer E

9. 5 Which of these equations defines a line that is perpendicular to the line given by the equation y = -2x + 5?
¡ D.
¡ E.
¡ A.
¡ B.
¡ C.

10. 5 Which of these equations defines a line that is perpendicular to the line given by the equation y = -2x + 5?
Perpendicular
1. Identify the slope of the line.
2. Change the sign.
3. Take the reciprocal.
Answer D

11. 6 In the standard (x, y ) plane, what is the distance between and ?

12. 6 In the standard (x, y ) plane, what is the distance between and ?
Use the distance formula.
Answer C

13. 7 What are the (x, y) coordinates of the point of intersection of the lines determined by the equations 2x – 3y = 4 and y = x?
¡ A.
¡ B.
¡ C.
¡ D.
¡ E.

14. 7 What are the (x, y) coordinates of the point of intersection of the lines determined by the equations 2x – 3y = 4 and y = x?
Solve this system by substitution.
Answer B

15. 8 If  is a special operation defined by (a  b) = 3a – 2b and (6  x) = 8 then x = ?

16. 8 If  is a special operation defined by (a  b) = 3a – 2b and (6  x) = 8 then x = ?
Answer E

17. 9. 12x2 + 11x – 36 is the product of (3x – 4) and another polynomial
9 12x2 + 11x – 36 is the product of (3x – 4) and another polynomial. What is the other polynomial?
¡ A.
¡ B.
¡ C.
¡ D.
¡ E.

18. 9. 12x2 + 11x – 36 is the product of (3x – 4) and another polynomial
9 12x2 + 11x – 36 is the product of (3x – 4) and another polynomial. What is the other polynomial?
Answer E

19. 10
¡ A.
¡ B.
¡ C.
¡ D.
¡ E.