Algebra Demystified 2nd Ed

(Marvins-Underground-K-12) #1

316 algebra De mystif ieD


PRACTICE
Solve the inequality and graph the solution on the number line.


  1. 7x- 4 ≤ 2 x+ 8
    2.^2
    3


(  69 xx–  ) +  45   >  +  1


  1. 0.2(x- 5) + 1 ≥ 0.12

  2. 10x - 3(2x + 1) ≥ 8 x + 1

  3. 3(x- 1) + 2(x- 1) ≤ 7 x+ 7


✔SOLUTIONS



  1. 7428
    22
    548
    44
    512
    12
    5


xx
xx
x

x
x

-≤ +
--
-≤
++


FIgure 9-14

12
5

2.^2
3


69451
46451
4251
22
453

()xx
xx
xx

xx

-+>+
-+>+
-> +
++
>+


  • 555
    3
    3


xx
x
x


  • ->
    <-


FIgure 9-15

–3

PRACTICE
Solve the inequality and graph the solution on the number line.
Free download pdf