Question
If (4, 19) is a solution of the equation y = ax + 3, then a =
✓
Answer
- 4
Solution:
y = ax + 3
If (4, 19) is its solution, then it must satisfy the equation.
Thus, we have
19 = a × 4 + 3
i.e. 4a = 16
i.e. a = 4
Hence, correct option is (b).
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
The equation x = 7 in two variables can be written as:
If p(x) = x + 3, then p(x) + p(-x) is equal to:
In figure, $AB = AC$ and $\angle\text{ACD} = 115^\circ.$ Find $\angle\text{A}?$
→In $\triangle\text{ABC,}$ if $\angle\text{C}>\angle\text{B},$ then:
→- BC > AC
- AB > AC
- AB < AC
- BC < AC
The value of $(243)^{\frac{1}{5}}$ is:
→If $\text{x}=3+2\sqrt{2},$ than the value of $\text{x}+\frac{1}{\text{x}}$ is:
→Length of perpendicular drawn on smallest side of scalene triangle is:
A sphere of diameter 12.6cm is melted and cast into a right circular cone of height 25.2cm. The radius of the base of the cone is:
If $p(x) = 5x - 4x^2 + 3$ then $p(-1) =$ ?
→In the given figure$, \text{ABCD}$ is a Rhombus. Then,
→