316 algebra De mystif ieD
PRACTICE
Solve the inequality and graph the solution on the number line.
- 7x- 4 ≤ 2 x+ 8
2.^2
3
( 69 xx– ) + 45 > + 1
- 0.2(x- 5) + 1 ≥ 0.12
- 10x - 3(2x + 1) ≥ 8 x + 1
- 3(x- 1) + 2(x- 1) ≤ 7 x+ 7
✔SOLUTIONS
- 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.