Algebra 2 Unit 7 Lesson 4

10) Which of the ordered pairs is NOT a solution to the following system of equations?

(-5/12,5/12)

2) Choose the correct graph. y<1/x-2 -1

Bottom filled in on both bottom inside top on outside

8) Using the inequality answer the following questions: Will the border line be a solid or dotted line? Will the point be part of the solution? Will the point be part of the solution? Will the point be part of the solution? Will the asymptotes be part of the solution?

Dotted Yes No Yes No

3) Determine if the point is a solution to the inequality. (1,0)

No

4) Determine if the point is a solution to the inequality. (-1,2)

No

5) Determine if the point is a solution to the inequality. (0,0)

No

9) Find the inverse of the matrix using elementary row operations on the augmented matrix.

[-2 1] [3/2 -1/2]

6) Using the inequality answer the following questions: Will the border line be a solid or dotted line? Will the point (0,0) be a part of the solution? Will the point (2,-1) be a part of the solution? What is the equation of the border line?

a. solid c. no b. yes d. y=-2x+3

rational inequality

an inequality involving a rational expression

7) Using the inequality answer the following questions: Will the border line be a solid or dotted line? Will the point (0,0) be a part of the solution? Will the point (-1,-4) be a part of the solution? What is the equation of the border line?

b. Solid f. yes g. no a. y=3x-1

1) Choose the correct graphs.

fill in top of/