Chapter 6 and 7 Review

Solving InequalitiesAddition/Subtraction, multiplication and division

100

Solve the inequality. Graph your solution.

x + 5 > -13

check graph

200

Solve the inequality. Graph your solution.

m - 9 > (or equal to) -4

m > (or equal to) 5

300

Solve the inequality. Graph your solution.

-3x >27

x < -9

400

Solve the inequality. Graph your solution.

n/4.5 < -8

n > 36

500

Solve the inequality. Graph your solution.

2y > (or equal to) 18

y > (or equal to) 9

Multi-step inequalities

100

Solve the inequality, if possible. Graph your solution.

          2g + 11 < 25

               g< 7 

       check graph

200

Solve the inequality, if possible. Graph your solution.

     2/3r -4 > (or equal to) 1

    r >(or equal to) 7 1/2

300

Solve the inequality, if possible. Graph your solution.

  -3(2n - 1) >(or equal to) 1 - 8n

n >(or equal to) -1

400

Solve the inequality, if possible. Graph your solution.

                      3(q + 1) < 3q + 7

all real numbers

500

Solve the inequality, if possible. Graph your solution.

      8(t - 1) > -8 + 8t

Np solution.

Solve Compound inequalities

100

Solve the inequality. Graph your solution.

-6 <(or equal to) 2t - 5 <(or equal to) -3

-1/2 <(or equal to) t <(or equal to) 1

200

Solve the inequality. Graph your solution.

-1 < -2x + 7 <9

all real numbers greater than -1 and less than 4

300

Solve the inequality. Graph your solution.

    9s - 6 < 12 OR 3s + 1 > 13

s < 2 or s > 4

400

Solve the inequality. Graph your solution.

-3 < -3x + 8 < 11

-1 < x < 3 2/3

500

Solve the inequality. Graph your solution.

 -4w + 12 >(or equal to) 10 OR 5w - 14 > -4

  w <(or equal to) 1/2 or w > 2

Solve Absolute value Inequalities

100

Solve the equation. If possible.

4|5x - 3| + 6 = 30

x = 1.8 or x = -0.6

200

Solve the equation. If possible.

r = 7

 7 and -7

300

Solve the equation. If possible.

       |a + 6| = 2

-4 and - 8

400

Solve the equation. If possible.

        3|2q + 1| - 5 = 1

         0.5 and -1.5

500

Solve the equation. If possible.

                 |2c + 5| = 21

    8, and -13

Systems of equations

100

Solve the linear system by graphing.

y = -3x + 1

y = x - 7

What is (2, -5)

Check graphs

200

Solve linear systems by substitution.

y = 2x - 7

x + 2y = 1

(3, -1) 

300

Solve by elimination.

x + 2y = 13

x - 2y = -7

(3,5)

400

Solve by elimination.

3x = -y + 1

2x - y = 9

(-8, -25)

500

Solve by elimination.

x + 6y = 28

2x - 3y = -19

(-2 , 5)