44
State which of the following statements is true or false.
Solution set of $x\ge0$ and $y\le1$ is
A
TRUE
B
FALSE
45
State which of the following statements is true or false.
Solution set of $x+y\ge0$ is
A
TRUE
B
FALSE
46
Fill in the blanks of the following
If $-4 x \geq 12$, then $x \ldots-3$.
Explanation
IF $-4x\ge12\Rightarrow x\le-3$
47
Fill in the blanks of the following
If $\frac{-3}{4} x \leq-3$, then $x \ldots 4$.
Explanation
If $\frac{-3}{4} x \leq-3$
$$\Rightarrow \quad x \geq(-3) \times \frac{4}{-3} \Rightarrow x \geq 4$$
48
Fill in the blanks of the following
If $\frac{2}{x+2}>0$, then $x \ldots-2$.
Explanation
If $\frac{2}{x+2}>0$
$\Rightarrow x > -2$