Chapter 3: Equations and Inequalities

Question 1

What are the 2 ways that you can solve linear simultaneous with?

Answer 1

Elimination or substitution

Question 2

How many pairs can simultaneous equations with one linear and one quadratic?

Answer 2

Up to 2 pairs

Question 3

What do the solutions to a pair of simultaneous equations represent?

Answer 3

The points of intersection of their graphs

Question 4

What is the solution of an equality?

Answer 4

The set of all real numbers x that make the inequality true

Question 5

What does y < f(x) represent?

Answer 5

The points on the coordinate grid below the curve y = f(x)

Question 6

What does y > f(x) represent?

Answer 6

The points on the coordinate grid above the curve y = f(x)

Question 7

What does y > f(x) or y < f(x) mean?

Answer 7

The curve y = f(x) is not included in the region is represented by a dotted line

Question 8

What does y ≥ f(x) or y ≤ f(x) mean?

Answer 8

The curve y = f(x) is included in the region is represented by a solid line