Quadratic & Simulations equations

Question 1

Two numbers should multiply to give you what.

Answer 1

c

Question 2

Two numbers should add/subtract to give you what.

Answer 2

b

Question 3

Solve x^2 - x = 12

Answer 3

x = -3, x = 4

Question 4

Factorise x^2 +2x - 15

Answer 4

(x+5) (x-3)

Question 5

Solve x^2 - 9x + 20 = 0

Answer 5

x=5 or x=4

Question 6

Solve the simultaneous equation:
2x +4y = 6
4x +3y = -3

Answer 6

x = -3, y = 3

Question 7

Solve the simultaneous equation:
x + y = 3
4x + 3y = 10

Answer 7

x=1, y=2

Question 8

Solve the simultaneous equation:
2x + 4y = 2
5x - 3y = 18

Answer 8

y= -1, x= 3