All AS Pure 1

Question 1

aⁿ/ᵐ =

Answer 1

ᵐ√aⁿ

Question 2

quadratic equation?

Answer 2

= (-b ± √b²-4ac) / 2a

Question 3

What is the discriminant and it’s rules?

Answer 3

b²-4ac

• b²-4ac > 0 : two distinct roots.
• b²-4ac = 0 : one ditstinct root.
• b²-4ac < 0 : no distinct roots.

Question 4

What happens to inequalities when you multiply by -1?

Answer 4

It changes direction.