math coefficients

The determinant of coefficients ..

>Now consider the system of linear equations with three variable Let the determinant of the coefficients be denoted by D i.e., Multiplying both sides by x, we have Adding y times column 2 and z times column 3 to column (1), we have Similarity it can be shown that, a..

What is the lower bound of the correlation coefficient r ? => 1 or - 2 or 0 or - 1..

Which of the following is the coefficient in the expression 9 x - 13? => 9 or 13 or x or None of the above..

The correlation coefficient for the age and blood pressure of 4 people taken randomly is given. Find t and test the significance of correlation coefficient r = 0.9478, use ∝ = 0.01 and n = 4. => 4.2, significant relationship or 1.2, no significant relationship or 1.2, signi..

The degree of a polynomial function f ( x ) with real coefficients is 5. Choose the maximum number of nonreal zeros f ( x ) can have. => 5 or 6 or 4 or 3..

The degree of a polynomial function f ( x ) with real coefficients is 19. Choose the maximum number of nonreal zeros f ( x ) can have. => 17 or 20 or 19 or 18..

Write the variable part of the term having a coefficient of 4096. in the expansion (4 g - h ) 6 . => x 5 y or x 6 or y 6 or x 3 y 3..

What is the standard form of the equation y = 2 x + 4 5 with integer coefficients? => 10 x + 5 y = 4 or 10 x - 5 y = 4 or - 10 x - 5 y = 4 or - 10 x + 5 y = 4..

What is the standard form of the equation y = 6 x + 8 with integer coefficients? => 6 x - y = 8 or 6 x + y = 8 or - 6 x + y = 8 or - 6 x - y = 8..