Question

Select the ordered pair that is a solution to the equation

2x + 5y = 20

Question 3 options:

(5, 2)


(2, 5)


(10, 4)


(4, 10)

Answer 1

Example:  Is (5,2) a solution to 2x + 5y = 20?  Subst. 5 for x and 2 for y:

2(5) + 5(2) = 10 + 10 = 20     Yes, (5,2) is a solution.