C1 Questions That Are Hard

Question 0

What are real roots?

Answer 0

Roots when the discriminant is greater or equal to 0

Question 1

Solve

3x^2 + 12x + 5

Answer 1

3(x+2)^2 - 7 = 0
3(x+2)^2 = 7
(x+2)^2 = 7/3
x+2 = +- root 7/3
x = -2 +- root 7/3

Question 2

Chapter 3

Answer 2

F - 1,9,10

Question 3

What are equal roots?

Answer 3

Roots where the discriminant is equal to 0

Question 4

Solve:
r=20
E (4r+1)
r=1

Answer 4

860

Question 5

Area of a triangle with unknown angles = ?

Answer 5

0.5 x base x height

Question 6

Exercise 6H question 9

Answer 6

Do it

Question 7

What is (root7) cubed?

Answer 7

56 root7

Question 8

C1 paper B

Answer 8

2, 3, 7 and 8

Question 9

2^(x+2) = ?

Answer 9

2^x x 2^2

Question 10

(Root3) cubed?

Answer 10

3root3

Question 11

Solomon paper F

Answer 11

Question 4, 9