A
B
C
D
Explanation
Correct answer: A.
Choice A is correct. Subtracting from both sides of the given equation yields . Dividing both sides of this equation by yields . Therefore, the value of that satisfies the equation is .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice B
Choice B is incorrect. This value of satisfies the equation .
Choice C
Choice C is incorrect. This value of satisfies the equation .
Choice D
Choice D is incorrect. This value of satisfies the equation .