1st semester test - alg 2

solve the linear equations

4x - 5(x - 2) = 9x - 14

• 2.4

• 2

• 3

solve the linear equations

6x + 2(3 – x) = 7x + 1

• 1.8

• 1.7

• 1

solve 6x - 3(6 - 5x) + 3x = 10 -4(2 - x)

• 0

• 1

• 2

• 3

what is the next step and answer for the following equation

2(x - 3) = 4x

2x - 6 = 4x

-6 = 2x

?

• Divide by 2 and the answer is x = 3

• divide by 2 and the answer is x = -3

• add 2 and the answer is x = -3

• subtract 2 and the answer is x = 3

solve the following linear inequalities

3y + 6 < 15 or 1 - 3y < - 11

• y < 3 or y > 4

• y < -3 or y > -4

• y > 3 or y < 4

-6 < 4 - 2x < 12

what are the two equations you would use and what is your answer

• -6 < 4 - 2x and 4 - 2x < 12

  answers: -5 > x and x > -4

• -6 < 4 - 2x and 4 - 2x < 12

  answers: 5 > x and x > 4

• -6 < 4 - 2x and 4 - 2x < 12

  answers: 5 > x and x > -4

solve the absolute value equations
 $\left|2x\ -\ 3\right|\ge5$  

•  $x\ \ge4$  and  $x\le-1$  

•  $x\le4$  and  $x\le1$  

what are the two equations you would use and give your two answers
 $\left|2x+4\right|\le8$  

•  $2x+4\le8\ and\ 2x+4\ \ge-8$  Answers:  $x\ \le-2\ and\ x\ \ge\ 6$  

•  $2x+4\le8\ and\ 2x+4\ \ge-8$  
  Answers:  $x\le2\ and\ x\ge-6$  

what are the two equations you would use and what are your two answers
 $\left|x+1\right|=3$  

• x + 1 = 3 and x+1 = -3
  answers: 2 and -4

• x + 1 = 3 and x - 1= -3
  answers: 2 and 4

graph 2x - 3y = 12, what are the x and y intercepts

• x = 6 and y = - 4

• x = - 6 and y = 4