Show the condition using variables x and y two numbers differ by 3​

Write each of the following as an equation in two variables x\ a n d\ y x=-3 (ii) y=4

Write each of the following as an equation in two variables x\ a n d\ y 3x=2 (ii) 7y=3

Translate of the following statements into an equation. Using x as the variable. Two third of number is 12.

2.The pair x=p and y=q of the linear equations in two variables x and y graphically represents two lines which are

An element of 3d-transition series shows two oxidation states x and y, differing by two units. Then:

The following figure shows the graph of y= p(x) , where p(x) is a polynomial in variable x . The number of zeroes of the polynomial p(x) is

For two variables x and y, the two regression coefficients are b_(yx)=-3//2 and b_(xy)=-1//6. The correlation coefficient between x and y is :