LINEAR EQUATIONS IN TWO VARIABLES

Question 1

IS 2x -3y +7 is a linear equation in two variables ?

Answer 1

no

Question 2

5x - 2y - 10 = 0 is in the standard form of linear equations in two variables

Answer 2

yes

Question 3

Write the value of a, b and c in the equation

5x -2y-7 =0

Answer 3

a=5 b = -2 and c = -7

Question 4

find the value of y in the equation 4x -3y = 15 when x =3

Answer 4

y = -1

Question 5

Is (2,-2) a solution of 3x -4y =14

Answer 5

yes

Question 6

find the value of k in the equation 2x +3y =k

if x = 2 and y = 1

Answer 6

k =7