MCQ
The condition that the equation $ax + by + c = 0$ represents a linear equation in two variables is:
- A$a \neq 0, b = 0$
- B$b \neq 0, a = 0$
- C$a = 0, b = 0$
- ✓$a \neq 0, b \neq 0$
✓
Answer
Correct option: D.
$a \neq 0, b \neq 0$
$a \neq 0, b \neq 0$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A terminating decimal is:
If both $x-2$ and $x-\frac{1}{2}$ are factors of $p x^2+5 x+r$, then
→The equation $x = 7$ in two variables can be written as
→$\frac{1}{\big(3+2\sqrt{2}\big)}=?$
→A grouped frequency distribution table with classes of equal sizes using $105-120$ ($120$ not included) as one of the class intervals is constructed for the following data: The number of classes in the distribution will be:
→|
$125$
|
$126$
|
$140$
|
$98$
|
$128$
|
$78$
|
$108$
|
$67$
|
|
$87$
|
$149$
|
$102$
|
$136$
|
$145$
|
$112$
|
$103$
|
$84$
|
|
$123$
|
$130$
|
$120$
|
$89$
|
$103$
|
$65$
|
$96$
|
$65$
|
If $\frac{3^{5 x} \times 81^2 \times 6561}{3^{2 x}}=3^7$,then the value of x is
→→
If $\Big(3\text{x}+\frac{1}{2}\Big)\Big(3\text{x}-\frac{1}{2}\Big)=9\text{x}^2-\text{p}$ then the value of $p$ is:
→The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is
The height of a cone is $24\ cm$ and the diameter of its base is $14\ cm.$ The curved surface area of the cone is:
→