Form the equation:The sum of a number and its square root is 6.

Form the equation:The sum of a number and its square is ten times that number

Form the equation:The sum of a number and its reciprocal is 5//2

Form the equation: The sum of even numbers from 2 in an order is 240.

Write each of the operations below as algebraic expressions, find out which are polynomials and explain why. i) Sum of a number and its reciprocal. ii) Sum of a number and its square root. iii) Product of the sum and difference of a number and its square root.

Find the square root of 3969

Form the equation:The sum of first n natural numbers is 210

Can the sum of a number and its reciprocal be 2//3 ? Why ?

Form the equation:The area of a rectangle whose length is 5 more than its width.

The sum of two consecutive natural numbers and the square of the first is 5329. What are the numbers?

Find the square root of -15-8i .