## MATHEMATICS | Study Mode

Question 11
A

S + 2

B

S 2

C

S2 + 2

D

S2 2

Explanation.

No official Explanation yet!

Question 12
A

12

B

20

C

2

D

4

Explanation.

No official Explanation yet!

Question 13
A

42

B

63

C

18

D

21

Explanation.

No official Explanation yet!

Question 14
A

15

B

10

C

200/5

D

120/5

Explanation.

No official Explanation yet!

Question 15
A

s varies inversely as r2 and t.

B

s varies directly as r2 and t2 .

C

s varies directly as r and t.

D

s varies inversely as r and t2 .

Explanation.

No official Explanation yet!

Question 16
A
x > 4
B
x < 4
C
x > 4
D
x < 4
Explanation.

No official Explanation yet!

Question 17
A

y = x2 3x + 2

B

y = x2 x 1

C

y = x2 + x 2

D

y = x2 x 2

Explanation.

No official Explanation yet!

Question 18
A

2 < x < 3

B

1 < x < 5

C

x < 1

D

x < 5

Explanation.

No official Explanation yet!

Question 19
A
B
C
D
Explanation.

No official Explanation yet!

Question 20
A

3n+1n+1

B

3n+1n-1

C

3n-1n+1

D

1-3nn+1

Explanation.

No official Explanation yet!

Question Map