4
QuizMultiple Choice
Conic Inequalities
Question 4 of 7 • Precalculus
Consider a student’s work in determining the solution set of x > 2(y – 1)2 – 2.Test point: (2.25, 1.25) x > 2(y – 1)2 – 2 2.25 > 2(1.25 – 1)2 – 2 2.25 > 2(0.25)2 – 2 2.25 > 2(0.0625) – 2 2.25 > 0.125 – 2 2.25 > –1.875 Conclusion: The point (2.25, 1.25) satisfies the given inequality. Solution set:
Answer
A
There are no errors.B
The conclusion statement is incorrect.C
The graph of the solution set is incorrect.D
The substitution of x and y values is incorrect.