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Ingenious Quiz 21-22

Total questions: 40

Worksheet time: 14mins

Name
Class
Date
1.

What is the value of x in the equation:
 x27x+2=4x^2-7x+2=-4  ?

a)

 x=6;   x=1x=6;\ \ \ x=-1  

b)

 x=6;   x=1x=-6;\ \ \ x=-1  

c)

 x=6;   x=1x=6;\ \ \ x=1  

d)

 x=6;   x=1x=-6;\ \ \ x=1  

2.

Which of the following is NOT a quadratic equation?

a)

n2=49n^2=49

b)

(z3)2=3z(z-3)^2=3-z

c)

(a2+3)/2=7(a^2+3)/2=7

d)

(x7)2(x+4)=29\left(x-7\right)^2\left(x+4\right)=29

3.
The square root of α⁸ is
a)
α
b)
α²
c)
α⁴
d)
α⁶
4.
Which of the following is a Pythagorean Triple?
a)
1, 2, 3
b)
4, 6, 8
c)
12, 13, 26
d)
9, 40, 41
5.
Which is NOT a property of a parallelogram?
a)
Diagonals bisect each other
b)
Diagonals are congruent
c)
Both pairs of opposite sides are parallel
d)
Both pairs of opposite angles are congruent
6.
a)
A
b)
B
c)
C
d)
D
7.
What is the slope?
a)
m= -2/3
b)
m=3/2
c)
m=-3
d)
m=2
8.
Write in slope intercept form given the slope: m=3 and y int: -2
a)
y=3x-2
b)
y=2/3x
c)
y=-2x+3
d)
y=3x
9.
What is the equation of this line?
a)
y = 2x +2
b)
y = 2x -2
c)
y = -x + 2
d)
Cannot be Determined
10.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
11.

What is the value of x if x2=9?

a)

+3

b)

-6 & +6

c)

-3

d)

-3, +3

12.

What do you call the graph of a quadratic equation?

a)

linear

b)

cubic curves

c)

circles

d)

Parabola

13.

If the value of a on a quadratic equation is positive, then the graph opens ________________.

a)

downward

b)

upward

c)

sideward

d)

unknown

14.

Find

 (x)(x2)(x4)=?\left(x\right)\left(x^2\right)\left(x^4\right)=?  

a)

 x5x^5  

b)

 x6x^6  

c)

 x7x^7  

d)

 x8x^8  

15.

Find

 50\sqrt{50}  

a)

 252\sqrt{5}  

b)

 525\sqrt{2}  

c)

 50\sqrt{50}  

d)

 2252\sqrt{25}  

16.

 (2)(3)(5) is equal to ?\left(-2\right)\left(3\right)\left(5\right)\ is\ equal\ to\ ?  

a)

-30

b)

30

c)

15

d)

-15

17.

Define Pi

a)

3.1416

b)

3.1316

c)

3.1415

18.

Which Indian mathematician is known as ' Human Computer'?

a)

Shrinivas Ramanujan

b)

C.R. Rao

c)

Shakuntala Devi

d)

C.P. Ramanujan

19.

Zero was discovered in _________.

a)

China

b)

India

c)

Greece

d)

Egypt

20.

Which number is not prime ?

a)

59

b)

73

c)

33

d)

19

21.

The size of class inteval 5-15 is

a)

5

b)

10

c)

15

d)

0

22.
Which point below is NOT part of the solution set?
a)
(0, 0)
b)
(-10, -10)
c)
(-1, 5)
d)
(5, 20)
23.

Choose the correct inequality for this graph.

a)
b)
c)
d)
24.
Which of the following statements are true for the Venn diagram shown?
a)
A ∩ B = ⊘
b)
A ⋃ B = ⊘
c)
A ⋃ B = A
d)
A ⋂ B = A
25.
Which of the following equations match the given graph?
a)
x ≥ -1
b)
x ≤ -1
c)
x > -1
d)
x < -1
26.

Add:

5m - 7n, 8m + 6n, 3m -n

a)

16n - 2m

b)

16n + 2m

c)

16m - 2n

d)

1m - 2n

27.

Use the graph to determine the solutions for the following quadratic:

a)

-1 and -3

b)

1 and -3

c)

1 and 3

d)

-1 and 3

28.

The number 15.097 45 written correct to 4 significant figures is

a)

15.09

b)

15.10

c)

15.097 4

d)

15.097 5

29.

2.8% as a decimal is:

a)

2.8

b)

0.28

c)

0.028

d)

0.0028

30.

 12 12% as a simple fraction is:12\ \frac{1}{2}\%\ as\ a\ simple\ fraction\ is:  

a)

 12100\frac{12}{100}  

b)

 18\frac{1}{8}  

c)

0.125

d)

12.5

31.

 33 13% of 660 is the same as:33\ \frac{1}{3}\%\ of\ \text{660 is the same as:}  

a)

 660 ÷2\text{660 }\div2  

b)

 660×0.3\text{660}\times0.3  

c)

 660×0.03\text{660}\times0.03  

d)

 660÷3660\div3  

32.

15% of $1600 is equal to:

a)

24

b)

150

c)

$240

d)

$24

33.

If an object is bought for $90 and then sold for a loss of 15%. How much was it sold for?

a)

$76.50

b)

$652

c)

$694

d)

$738.40

34.

complement of set 'A' is denoted by :

a)

A'

b)

c(A)

c)

comp A

35.

If n(A)=20,n(B)=30 and n(A B)=10 ,then the value of n(AUB) is:

a)

40

b)

60

c)

30

d)

10

36.

If A={a,e,i,o,u} then n(A) is:

a)

-5

b)

5%

c)

Φ

d)

5

37.

The difference between the largest and smallest number is:

a)

Range

b)

mode

c)

Percentile

d)

Quartile

38.

What percentage of $2 is 50 cents?

a)

4%

b)

40%

c)

25%

d)

2 12%2\ \frac{1}{2}\%

39.

The ratio of the sum of the observation and number of observation is called :

a)

Mode

b)

Mean

c)

Range

d)

Median

40.

Solve for x.

a)

3

b)

5

c)

6

d)

8