Inequalities
Hong Kong
Stage 4 - Stage 5
Compound inequalities I
Interactive practice questions
Consider the statement $3<6x+7<9$3<6x+7<9:
a
Is $3<6x+7<9$3<6x+7<9 a compound inequality?
No
A
Yes
B
b
What are the two inequalities that make up $3<6x+7<9$3<6x+7<9?
$\editable{}<6x+7$<6x+7
$\editable{}<\editable{}$<
c
What word joins the two inequalities that were obtained from the compound inequality $3<6x+7<9$3<6x+7<9?
OR
A
AND
B
Easy
1min
The steps to solve $2<6x+8<10$2<6x+8<10
have been jumbled up below. Number the steps from 1 to 5.
Easy
1min
Consider the compound inequality:
$x-2<4$x−2<4 and $4x>11$4x>11
Easy
1min
Which of the following values of $x$x are solutions to the compound inequality?
$3-x>-7$3−x>−7 and $3-x\le6$3−x≤6
Easy
1min
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