## Gracepoint quizzerweb | Study Mode

Question 1
A

-3

B

1/2

C

3/2

D

-3/2

E

-1/2

Explanation.

Sin (-60)= -sin60= -3/2

Question 2
A

2

B

55

C

15

D

6

E

10

Explanation.

(x+ y)= (x-y)+4xy

(x+y)= 1+4 56

(x+y)= 225, x+y= 225= 15

Question 3
A

x > 4

B

x > 1

C

x > -4

D

x < 1

E

x < -1

Explanation.

x +3 > 5x + 7,

-4x > 4,

x< -1

Question 4
A

13cm

B

(273)/2 cm

C

54cm

D

273

E

183

Explanation.

A=absinC=69sin120= 27 3/2

Question 5
A

20

B

24

C

27

D

25

E

23

Explanation.

x+/x= (x+/x)+ 2.x./x

= 25+2= 27

Question 6
A
{ }
B
{ a,b,c,d,e,g,k}
C
{f,h,i }
D
{a,f,g,h,I}
E
none of the above
Explanation.

No official Explanation yet!

Question 7
A

3

B

/3

C

(3+23)/6

D

3/6

E

23/6

Explanation.

Cosec x + tan 30= 23/3 + 3/3

= 3

Question 8
A

6cm

B

20cm

C

14cm

D

30cm

E

12cm

Explanation.

Base= area/height

= 60/5

=12cm

Question 9
A

cm

B

60 cm

C

48 cm

D

96 cm

E

84 cm

Explanation.

l= 6+8,l= 10

A= rl

= 6 10= 60 cm

Question 10
A

3, 4

B

1,1

C

-3/2, 1

D

3/2, -1

E

2/3, 2

Explanation.

a=2, b= -3, c= -2

Sum=-b/a= -(-3)/2= 3/2

Product= c/a= -2/2= -1

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