Determine whether the given point is a solution of the equation.
-2x + y = 15; (5, 5)
A)Yes
B)No

Question

Quizplus · Accepted Answer

To check whether a solution is valid for an equation, substitute the values of the solution into the equation and see if the equation is true. 
Substituting x=5 and y=5 into 2x + y = 15 gives: 
2(5) + (5) = 15, which simplifies to 10 + 5 = 15. 
Since the equation is true for the given values, (5,5) is a solution to the equation. Therefore, the answer is A) Yes. Substituting (5, 5) into the equation, we get:
2(5) + 5 = 15
10 + 5 = 15
15 = 15
Since the equation is true, (5, 5) is a solution to the equation.

Determine Whether the Given Point Is a Solution of the Equation