Which one of the following is the sum of three times of x and two times of y ?

In the expression 5x⁴
(i)  The power of x is 4
(ii) Two terms are there
(iii) The coefficient of x⁴ is 5
Which one is correct?

Which one is the index of x in 7x³ × x²?

x² - y², y² - z² and z² - x²  are three algebraic expressions. What is the sum of the three expressions?

What is the sum of three expressions x² + 3, x² - 2, - 2x² + 1 ?

x² - y², y² - z² and z² - x²  are three algebraic expressions. If x = 2 and  y = - 3, what is the value of the first expression ?

In x and y variables -
(i) The sum is  x + y
(ii) The product is xy
(iii) The summation of squares is  x² - y²
Which one is correct?

If m = - 6 in expression  m² – 7, what is the value of the expression ?

Which one of the following is the coefficient of x in 5x + 3y ?

Which one of the following indicates a pair of similar terms ?