Mathematics
Mathematics, 28.03.2021 14:00, yee1264

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:

Which element, if any, shows an error in the student’s work?

There are no errors.
The conclusion statement is incorrect.
The graph of the solution set is incorrect.
The substitution of x and y values is incorrect.


Consider a student’s work in determining the solution set of x > 2(y – 1)^2 – 2.

Test point: (

answer
Answers: 1

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Consider a student’s work in determining the solution set of x > 2(y – 1)^2 – 2. Test point: (2....

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