earlier one. To get another solution, take x = 1, say. Then you can check that the
Now, if you take y = 0, you again gel
is another solution of 2x + 5y = 0.
corresponding value of yis į so (1, -3)
5
studied h
graph pape
(0, 3), (2,
graph pape
these poin
call this a
4.
3
for
Do y
(iii) Writing the equation 3y + 4 = 0 as 0.x + 3y + 4 = 0, you will find that y =
4
4
any value of x. Thus, two solutions can be given as 0,
and 1,
3
برا
points als
pick ano
(8, -1).
8 +2(-1
EXERCISE 4.2
1. Which one of the following options is true, and why?
y = 3x + 5 has
(i) a unique solution, (ii) only two solutions, (iii) infinitely many solutions
2. Write four solutions for each of the following equations:
(1) 2x + y = 7 (ii) x + y = 9 (iii) x = 4y
3. Check which of the following are solutions of the equation x – 2y = 4 and which are
not:
(i) (0,2)
(ii) (2,0)
(ii) (4,0)
(iv) (V2, 42) (v) (1,1)
Pick an
and ve
satisfy
any pc
Chec!
L.
4. Find the value of k, if x = 2, y=1 is a solution of the equation 2x + 3y = k.
an
va
4.4 Graph of a Linear Equation in Two Variab!
Answers
Answered by
2
Answer:
sddsawertzuopkknbvxShknb bnmkkugdx
Similar questions