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1
Q

How could you show that there are no points of intersection between two curves?

A

-Work out the discriminant and show it is less than 1, which shows no solutions.

2
Q

How do you show that a curve has two points of intersection?

A

-Work out discriminant and should be greater than 0.

3
Q

How do you express an inequality as set notation?

A

When it is a double inequality you can put {x: (inequity)}
When it is two separate you can put {x: inequality} u {x:ineqality
double in n and two singles is u

4
Q

How can you solve the inequality 5/x-3<2

A

-Multiply out by x-3

5
Q

How do you know when f(x)>g(x)?

A

The values where f(x) is above g(x)