2. Which is the graph of y = − | x − 2 | + 1 ? y equals negative vertical line x minus 2 vertical line plus 1 question mark
   6. 
   7. 
   8. 
   9. 
3. Which graph represents the solution of the inequality | 3 x + 12 | ≥ 3 ? vertical line 3 x plus 12 vertical line greater than or equal to 3 question mark
   1. 
   2. 
   3. 
   4. 

4. Josea wants to solve the system using substitution. { x = − 2 y + 4 2 x − 3 y = 5 left brace . table with 2 rows and 1 column , row1 column 1 , x equals negative 2 y plus 4 , row2 column 1 , 2 x minus 3 y equals 5 , end table

   Which of the following is the best way for Josea to proceed?

   6. Solve the first equation for y, then substitute into the second equation.
   7. Solve the second equation for y, then substitute into the first equation.
   8. Substitute − 2 y + 4 negative 2 y plus 4  for x in the second equation.
   9. Substitute − 2 y + 4 negative 2 y plus 4  for y in the second equation.
5. A board must be cut so that its length is 40.50 cm. The tolerance is 0.25 cm. Which inequality describes the allowable lengths for the board?
   1. | x − 0 . 25 | ≤ 40 . 50 vertical line x minus 0 . 25 vertical line less than or equal to 40 . 50
   2. | x − 0 . 25 | ≤ 40 . 50 vertical line x minus 0 . 25 vertical line less than or equal to 40 . 50
   3. | x − 40 . 50 | ≤ 0 . 25 vertical line x minus 40 . 50 vertical line less than or equal to 0 . 25
   4. | x − 0 . 25 | ≤ 40 . 75 vertical line x minus 0 . 25 vertical line less than or equal to 40 . 75

6. Which graph shows the solution to the given system?

   { 1 2 x − y = 1 x = 3 left brace . table with 2 rows and 1 column , row1 column 1 , 1 half , x minus y equals 1 , row2 column 1 , x equals 3 , end table

   6. 
   7. 
   8. 
   9. 

7. Consider the system below.

   { 4 x − 3 y − 4 z = 17 − 2 x + 3 y − 2 z = 1 4 x + 6 y + 8 z = 2 left brace . table with 3 rows and 1 column , row1 column 1 , 4 x minus 3 y minus 4 z equals 17 , row2 column 1 , negative 2 x plus 3 y minus 2 z equals 1 , row3 column 1 , 4 x plus 6 y plus 8 z equals 2 , end table

   Which of the following steps would NOT be used to solve the equation by elimination?

   1. Add the first row to 2 times the second row.
   2. Add the third row to 4 times the second row.
   3. Add the first row to the third row.
   4. Add the first row to the second row.

8. Which of the following inequalities does the graph represent?

   

   6. y ≤ − | x − 3 | + 2 y less than or equal to , minus vertical line x minus 3 vertical line plus 2
   7. y ≥ − | x − 3 | + 2 y greater than or equal to , minus vertical line x minus 3 vertical line plus 2
   8. y ≤ − | x + 3 | + 2 y less than or equal to , minus vertical line x plus 3 vertical line plus 2
   9. y ≥ − | x + 3 | + 2 y greater than or equal to , minus vertical line x plus 3 vertical line plus 2

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