Question
Write the formula to find $y$ in the method of elimination.
✓
Answer
$
y=\frac{a_2 c_1-a_1 c_2}{a_1 b_2-a_2 b_1}
$
y=\frac{a_2 c_1-a_1 c_2}{a_1 b_2-a_2 b_1}
$
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
In the figure, altitudes $AD$ and $CE$ of $\triangle$$ABC$ intersect each other at the point $P$. Show that: $\vartriangle PDC \sim \vartriangle BEC$ 
→Find the mode of the following data:
3, 5, 7, 4, 5, 3, 5, 6, 8, 9, 5, 3, 5, 3, 6, 9, 7, 4
3, 5, 7, 4, 5, 3, 5, 6, 8, 9, 5, 3, 5, 3, 6, 9, 7, 4
Solve the following quadratic equation:
$ 48 x^2-13 x-1=0 $
→$ 48 x^2-13 x-1=0 $
How many minimum square handkerchieps are maid from the following piece of cloth?
Fill in the blanks:
For any event $E, P(E) + P(not E) =$ _____.
→For any event $E, P(E) + P(not E) =$ _____.
Fill in the blanks:
The common point of a tangent and the circle is called $..........$
→The common point of a tangent and the circle is called $..........$
Prove the given identity, where the angles involved are acute angles for which the expressions are defined. $\frac { 1 + \sec A } { \sec A } = \frac { \sin ^ { 2 } A } { 1 - \cos A }$
$[$Hint: Simplify $LHS$ and $RHS$ separately$]$
→$[$Hint: Simplify $LHS$ and $RHS$ separately$]$
Is the given series: $-\frac{1}{2},-\frac{1}{2},-\frac{1}{2},-\frac{1}{2}, \ldots$ forms an $AP$? If It forms an $AP$, then find the common difference $d$ and write the next three terms.
→Two players, Sangeeta and Reshma, play a tennis match. It is known that the probability of Sangeeta winning the match is $0.62$. What is the probability of Reshma winning the match?
→Find the $10^{th}$ term of the AP 2, 7, 12,...
→