math prep

Simplify: 13/30 + 7/20. A) 41/60 B) 20/50 C) 47/60 D) 5/6

C) 47/60

Simplify: 19/24 - 5/16. A) 23/48 B) 14/40 C) 7/24 D) 29/48

A) 23/48

Work out: 7/15 of 90. A) 36 B) 38 C) 40 D) 42

D) 42

Simplify: (14/25) x (15/28). A) 3/5 B) 3/10 C) 7/20 D) 1/2

B) 3/10

Simplify: (11/18) divided by (22/27). A) 2/3 B) 3/2 C) 3/4 D) 11/27

C) 3/4

If x = 23/12, what is 6x - 1/2? A) 11 B) 10 C) 12 D) 23/2

A) 11

Arrange in ascending order: 5/18, 7/24, 3/10. A) 7/24, 5/18, 3/10 B) 3/10, 7/24, 5/18 C) 5/18, 3/10, 7/24 D) 5/18, 7/24, 3/10

D) 5/18, 7/24, 3/10

Which fraction is larger? A) 14/23 B) 11/18 C) They are equal D) Cannot tell

B) 11/18

In a class of 80 students, 45 take dance, 38 take music, and 17 take both. How many take neither? A) 10 B) 12 C) 14 D) 16

C) 14

A bag has 6 red, 8 blue, 5 green, and 1 yellow counter. What is the probability of not picking blue? A) 2/5 B) 8/20 C) 7/10 D) 3/5

D) 3/5

If 7x - 9 = 40, what is the value of 2x^2 - 5x? A) 56 B) 63 C) 70 D) 77

B) 63

If 4x + 11 = 35, what is the value of 3x^2 - 7x? A) 60 B) 66 C) 72 D) 78

B) 66

Simplify: (16n^4 - 12n^3 + 20n^2) / (4n^2). A) 4n^2 - 3n B) 4n - 3 + 5 C) 4n^2 - 3n + 5 D) 16n^2 - 12n + 20

C) 4n^2 - 3n + 5

Simplify: (30a^3 - 18a^2 - 6a) / (6a). A) 5a^2 - 3a - 1 B) 5a - 3 - 1 C) 30a^2 - 18a - 6 D) 6a^2 - 3a - 1

A) 5a^2 - 3a - 1

Simplify: 5(2x - 3) - 4(3x + 2) + 7. A) -2x B) 22x - 16 C) -2x + 16 D) -2x - 16

D) -2x - 16

Factorise fully: x^2 - 17x + 72. A) (x + 8)(x + 9) B) (x - 8)(x - 9) C) (x - 6)(x - 12) D) (x - 4)(x - 18)

B) (x - 8)(x - 9)

Solve: x^2 - 4x - 45 = 0. A) x = 5 or x = -9 B) x = -5 or x = 9 C) x = 9 or x = -5 D) x = -9 or x = -5

C) x = 9 or x = -5

Solve the inequality: 2(3x - 5) - 4

D) x

Solve the inequality: 18 - 4x > -10. A) x > 7 B) x < 7 C) x > -7 D) x < -7

B) x < 7

What is tan 315 degrees? A) 1 B) sqrt(3) C) -1 D) undefined

C) -1