19
MCQ (Single Correct Answer)
If $x<5$, then
A
$-x<-5$
B
$-x \leq-5$
C
$-x>-5$
D
$-x \geq-5$
20
MCQ (Single Correct Answer)
If $x, y$ and $b$ are real numbers and $x< y, b<0$, then
A
$\frac{x}{b}<\frac{y}{b}$
B
$\frac{x}{b} \leq \frac{y}{b}$
C
$\frac{x}{b}>\frac{y}{b}$
D
$\frac{x}{b} \geq \frac{y}{b}$
21
MCQ (Single Correct Answer)
If $-3 x+17<-13$, then
A
$x \in(10, \infty)$
B
$x \in[10, \infty)$
C
$x \in(-\infty, 10]$
D
$x \in[-10,10)$
22
MCQ (Single Correct Answer)
If $x$ is a real number and $|x|<3$, then
A
$x \geq 3$
B
$-3< x< 3$
C
$x \leq-3$
D
$-3 \leq x \leq 3$
23
MCQ (Single Correct Answer)
Let $x$ and $b$ are real numbers. If $b>0$ and $|x|>b$, then
A
$x \in(-b, \infty)$
B
$x \in[-\infty, b)$
C
$x \in(-b, b)$
D
$x \in(-\infty,-b) \cup(b, \infty)$