sat suite question viewer
The solution to the given system of equations is . What is the value of ?
Explanation
Choice D is correct. It's given by the first equation in the given system of equations that . Substituting for in the second equation in the given system yields , or . Therefore, the value of is .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice B is incorrect. This is the value of , not the value of .
Choice C is incorrect and may result from conceptual or calculation errors.