Autumn Half Term 2

Question 1

if p=5 and q=2 what does 3p + 4q equal

Answer 1

(3x5) + (4x2)
= 15 + 8
= 23

Question 2

what does (a - 2)^2 equal

Answer 2

(a - 2)(a - 2)
a^2 - 2a - 2a + 4
= a^2 - 4a + 4