Free Printable Quarter 2 Revision Pack-1

1.

What is the axis of symmetry?

a)

the slope of the graph

b)

the dividing line for a parabola

c)

a way to spin my pencil

d)

the x-axis

2.

Find the axis of symmetry for the graph

a)

x = -1

b)

x = 1

c)

x = 3

d)

x = -1 , 3

3.

What is the axis of symmetry?

a)

x = - 4

b)

x = - 2

c)

x = 0

d)

x = 4

4.

Find the axis of symmetry for f(x) = x² + 4x - 5

a)

x = 2

b)

x = -2

c)

x = 4

d)

x = -4

5.

What is the axis of symmetry for the following equation?
y=4x²-8x+9

a)

x=-8

b)

x=1

c)

x=-1

d)

x=2

6.

What is the vertex?

a)

(0, - 1)

b)

(0, 0.5)

c)

(-1, 0)

d)

(0.5, 0)

7.

What is the vertex of y=x²+4x+3?

a)

(2,1)

b)

(-2,1)

c)

(0,0)

d)

(-2,-1)

8.

Find the vertex of
f(x) = -x²- 4x + 12

a)

(-2, 16)

b)

(2, 0)

c)

(2, 4)

d)

(-2, 4)

9.

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

a)

y = -2

b)

x = 3

c)

x = -3

d)

y = 2

10.

A half-pipe at a skate park is approxiamtely parabolic in shape. It can be modeled by the quadratic function y = x² - 6x + 9. At what point would a skater be at the lowest part of the ramp?

a)

(-3, 36)

b)

(36, -3)

c)

(3, 0)

d)

(0, 3)

11.

Find the vertex of f(x) = 2x² - 6x + 1

a)

x = 1.5

b)

x = 0.666...

c)

x = 3

d)

x = -3

12.

Which of the following functions graphs the parabola shown?

a)

y = x² - 4x + 1

b)

y = -2x² - 8x - 3

c)

y = x² - 4x + 5

d)

y = 2x² + 6x + 1

13.

Which of the following functions graphs the parabola shown?

a)

y = x² - 4x + 1

b)

y = -2x² - 8x - 3

c)

y = x² - 4x + 5

d)

y = 2x² + 6x + 1

14.

Use the graph to determine the solutions.

a)

-1 and -3

b)

1 and -3

c)

1 and 3

d)

-1 and 3

15.

The solutions of a quadratic equation are known as the _____.

a)

Vertices

b)

Roots

c)

Squares

d)

Formulas

16.

a)

A
Roots
x = 2
x = -4

b)

B
Roots
x = 2
x = 4

c)

C
Roots
x = -2
x = -4

d)

D
Roots
x = 0
x = 4

17.

a)

A
1 Real Solution

b)

B
2 Real Solutions

c)

C
No Real Solutions

d)

D
Half a Solution

18.

a)

A
Roots are -1 and -3

b)

B
Roots are 0 and 3

c)

C
Roots are 1 and 4

d)

D
Roots are -1 and 3

19.

How many solutions does the function have?

a)

A

No Real Solutions

b)

B

One Real Solution

c)

C

Two Real Solutions

d)

D

Four Real Solutions

20.

How many solutions does the function have?

a)

A

No Real Solutions

b)

B

One Real Solution

c)

C

Two Real Solutions

d)

D

Four Real Solutions

21.

What are the x-intercepts?

a)

A

-1

b)

B

-3

c)

C

3

d)

D

5

22.

What is another name for the solutions to a quadratic?

a)

A

y-intercepts

b)

B

Zeros

c)

C

Maximums

d)

D

Minimums

23.

a)

10

b)

-10

c)

10i

d)

-10i

24.

(3i)(5i) (Hint: $i^2$ =-1)

a)

15

b)

-15

c)

15i

d)

-15i

25.

3i+5i+2i+10

a)

10

b)

10i+10

c)

10i

d)

100i

26.

How do you write a complex number?

a)

a-bi

b)

a+bi

c)

ai+b

d)

ai-b

27.

What does i² = ?

a)

-1

b)

√-1

c)

1

d)

-√1

28.

-6i+3i

a)

3i

b)

-3i

c)

-2i

d)

-3i²

29.

(2i)(3i)

a)

5i

b)

-5

c)

6i

d)

-6

30.

3i + 2i

a)

5i

b)

5i²

c)

6i

d)

-5

31.

Find the sum.
(5-2i) + (-7+8i)

a)

-2+6i

b)

12+6i

c)

-35-16i²

d)

-35 -16i

32.

√-36

a)

6

b)

-6

c)

-6i

d)

6i

33.

What letter represents an imaginary number?

a)

a

b)

i

c)

j

d)

x

34.

What does i² equal?

a)

-1

b)

√-1

c)

1

d)

-√1

35.

(3 + 2i) + (4 - 5i)

a)

7 + 7i

b)

1 - 3i

c)

1 - 7i

d)

7 - 3i

36.

The expression (2 + 3i)² is equal to

a)

-5

b)

-5 + 12i

c)

13

d)

13 + 12i

37.

(3 + 8i)(-2 - i)

a)

2-19i

b)

23-i

c)

34+5i

d)

23-i

38.

Simplify

a)

(-10+6i)/17

b)

(1+50i)/61

c)

(-23+36i)/25

d)

(-21+33i)/34

39.

(-5 + 10i)(-5 - 10i) = 125

a)

True

b)

False

40.

√-36

a)

6

b)

-6

c)

-6i

d)

6i

41.

Simplify.

a)

b)

c)

d)

42.

a)

A

b)

B

c)

C

d)

D

43.

a)

A

b)

B

c)

C

d)

D

44.

(1-3i)(2+5i)

a)

22-i

b)

16-i

c)

17-i

45.

3i + 2i

a)

5i

b)

5i²

c)

6i

d)

-5

46.

Find the sum.
(5-2i) + (-7+8i)

a)

-2+6i

b)

12+6i

c)

-35-16i²

d)

-35 -16i

47.

Multiply
(3i)(-2+4i)

a)

-6+12i

b)

-12-6i

c)

-2+7i

d)

12+6i

48.

What is the simplified form of (8 -3i)²?

a)

73

b)

16 - 6i

c)

55 + 48i

d)

55 - 48i

49.

a)

A

b)

B

c)

C

d)

D

50.

Solve by factoring: x² = 7x + 18

a)

-7 and -18

b)

9 and 2

c)

9 and -2

d)

2 and 7

51.

Solve by factoring: 2x²+ 7x + 6 = 0

a)

x= 3/2 and x = 2

b)

x = -3/2 and x = -2

c)

x = 6 and x = 7

d)

x = -6 and x = -7

52.

Solve for x:

(x-5)(x+6)=0

a)

{5,5 }

b)

{ -5,-5 }

c)

{ -5,-6 }

d)

{5,-6 }

53.

What are the factors AND solutions of x² + 2x – 3 = 0

a)

(x - 2)(x + 1); x=2, x=-1

b)

(x + 1)(x - 3); x=-1, x=3

c)

(x + 2)(x - 1); x=-2, x=1

d)

(x - 1)(x + 3); x=1, x=-3

54.

Solve by factoring:
x² - 9x = 0

a)

9

b)

0, 9

c)

-9, 0

d)

-9

55.

Solve using Zero-Product Property.

(2x - 2)(5x + 5) = 0

a)

x = -1

b)

x = -1 or x = 1

c)

x = 1

d)

x = -2 or x = 5

56.

Solve: $20x=5x^2+20$ by factoring

a)

$x=0$ and $x=2$

b)

$x=-2$

c)

$x=2$

d)

$x=2$ and $x=-2$

57.

Solve by factoring:
x² + 2x - 24 = 0

a)

x = -6, x = 4

b)

x = 6, x = -4

c)

x = 12, x = -2

d)

x = 8, x = -3

58.

Solve by factoring:

x² + 6x + 20 = -3x

a)

x = -2, x = -10

b)

x = -3, x = -4

c)

x = -4, x = -5

d)

x = -4, x = -6

59.

Solve by Factoring

x² + 4x - 40 = -8

a)

-10 & -4

b)

-4 & 10

c)

-8 & 4

d)

8 & -4

60.

Solve by factoring:
x² - 6x + 5 = 0

a)

-6, -1

b)

-5, -1

c)

1, 6

d)

5, 1

61.

Solve
16a² - 9 = 0

a)

a = ^-3/₄, ³/₄

b)

a = ^-4/₃, ⁴/₃

c)

a = ^-9/₁₆, ⁹/₁₆

d)

a = ^-16/₉, ¹⁶/₉

62.

Solve:
x² - 49 = 0

a)

x = -7, x = 7

b)

x = -7

c)

x = 7

d)

x = -7, x = 1

63.

Solve by factoring.
z² - 18z + 81 = 0

a)

z = 9

b)

z = -9

c)

z = 9 or z = -9

64.

a)

±1.5

b)

1.5

c)

±1

d)

No real solution

65.

A parabola has a vertex at (1,6) and passes through (3,-18). Write the equation in vertex form.

Formula: f(x) = a(x - h)²+ k

a)

f(x) = 3(x - 1)²- 18

b)

f(x) = -6(x - 1)²+ 6

c)

f(x) = 6(x - 3)²- 18

d)

f(x) = -3(x + 1)²- 6

66.

A parabola has a vertex at (-1.5,12.5) and passes through (0,8). Solve for "a" and write the equation in vertex form.

Formula: f(x) = a(x - h)²+ k

a)

y = -1.5(12.5 - 8)²

b)

y = 2(x + 0)²+ 8

c)

y = -2(x + 1.5)²+ 12.5

d)

y = 8(x + 1.5)²- 12.5

e)

None of the above

67.

Convert the equation from vertex form (shown) to standard form:

y = -3(x + 5)²- 4

Formula: y = ax²+ bx + c

a)

y = 9x²- 15x + 21

b)

y = -3x²- 75x - 4

c)

y = 9x²+ 90x + 221

d)

y = -3x²- 30x - 79

68.

Convert the equation into standard form:

y = -5(x + 2)²- 10

a)

y = -5x²- 20x - 30

b)

y = -5x²- 4x - 10

c)

y = 25x² + 100x + 90

d)

y = 25x² - 10x - 30

69.

A parabola has a vertex at (6, 5) and passes through (10, -11). Which equation represents this parabola in vertex form?

Formula: f(x) = a(x - h)²+ k

a)

-11 = a(10 - 6)² + 5

b)

y = -(10 - h)² + k

c)

y = -(x - 6)² + 5

d)

y = (x - 6)² + 5

70.

Describe the transformations below: $\left(x+1\right)^2-4$

a)

left: 1, up: 4

b)

left: 1, down: 4

c)

right: 1, up: 4

d)

right: 4, up: 1

71.

Describe the transformation below: $-\left(x+3\right)^2+6$

a)

reflect over the x-axis

b)

reflect over the x-axis, left: 3, up: 6

c)

stretch, left: 3, down: 6

d)

left: 3, down: 6

72.

Describe the transformation below: $-3\left(x+4\right)^2-1$

a)

stretch by 3, right: 4, down: 1

b)

reflect over the x-axis, right: 4, down: 1

c)

reflect over the x-axis, stretch by 3, left: 4, down: 1

d)

stretch by 4, down: 3, left: 1

73.

Identify the a, h, and k term from the following equation: $\left(x+3\right)^2+2$

a)

a=-1, h=3, k=2

b)

a=3, h=3, k=3

c)

a=1, h=-3, k=2

d)

a=1, h=-3, k=-2

74.

Identify the a, h, and k terms in the following equation: $2\left(x+4\right)^2-1$

a)

a=2, h=-4, k=-1

b)

a=-2, h=4, k=1

c)

a=2, h=4, k=1

d)

a=-2, h=-4, k=1

75.

Identify the a, h, and k terms in the following equation: $\left(x+4\right)^2-3$

a)

a=-1, h=4, k=3

b)

a=-1, h=-4, k=3

c)

a=1, h=4, k=3

d)

a=1, h=-4, k=-3

76.

Determine the vertex from the following equation: $-3\left(x-4\right)^2+1$

a)

Vertex: (4,1)

b)

Vertex: (-4, -1)

c)

Vertex: (4, -1)

d)

Vertex: (-4, 1)

77.

Determine the vertex from the following equation: $-\left(x+1\right)^2-1$

a)

Vertex: (1,-1)

b)

Vertex: (-1, 1)

c)

Vertex: (-1, -1)

d)

Vertex: (1, 1)

78.

Determine the vertex from the following equation: $\frac{1}{2}\left(x+4\right)^2+1$

a)

Vertex: (-4, 1)

b)

Vertex: (-4, -1)

c)

Vertex: (4, 1)

d)

Vertex: (4, -1)

79.

Determine if the parabola has a maximum or minimum, if it opens up (+) then it will have a minimum, if it opens down (-) then it will have a maximum. $3\left(x+3\right)^2-2$

a)

Maximum

b)

Minimum

80.

Determine if the following equation has a maximum or minimum: $-\left(x-2\right)^2+7$

a)

Maximum

b)

Minimum

81.

Determine if the following function will be narrow (stretch) or wider (shrink): $4\left(x-3\right)^2+4$

a)

Narrow

b)

Wider

82.

Determine if the following is narrow or wider: $\frac{2}{3}\left(x+3\right)^2+6$

a)

Narrow

b)

Wider

83.

Identify the vertex.

a)

(5, 2)

b)

(5, -2)

c)

(-5, 2)

d)

(-5, -2)

84.

Find the y-intercept of this graph?

a)

(-4,0)

b)

(0,-4)

c)

(4,0)

d)

(0,4)

85.

Which quadratic equation models the parabola shown?

a)

y = (x-2)(x-5)

b)

y = (x+2)(x+5)

c)

y = -(x+2)(x+5)

d)

y = -(x-2)(x-5)

86.

What are the x-intercepts of the quadratic?

a)

(2, 0) and (4, 0)

b)

(-2, 0) and (-5, 0)

c)

(2, 0) and (5, 0)

d)

(-2, 0) and (-4, 0)

87.

Which of the following could be the equation of this graph in factored form? (Careful-pay attention to multiplicity.)

a)

f(x) = (x-4)(x-1)²(x+2)(x+4)

b)

f(x) = (x-4)(x+1)²(x+2)(x+4)

c)

f(x) = (x-4)(x-1)²(x-2)(x+4)

d)

f(x) = (x+4)(x+1)²(x-2)(x-4)

88.

a)

2

b)

1

c)

4

d)

cannot be determined

89.

The polynomial
f(x) = 5x⁴ + 2x³ + 2x − 7 can have, at most, how many solutions?

a)

5

b)

4

c)

3

d)

2

90.

Which of the following could be the factored form for the equation representing the graph shown?

a)

(x+3)(x-2)(x-5)

b)

(x-5)²(x-2)(x+3)

c)

(x-3)(x+2)(x+5)²

d)

none of these

91.

What is the y-intercept of f(x)=3x²+4x-5?

a)

3

b)

4

c)

5

d)

-5

e)

2

92.

What is the vertex of the function?

a)

(-3, -16)

b)

(3, 20)

c)

(-6, -7)

d)

(0, -7)

93.

What is the x-coordinate of the vertex of the parabola?
y = (x - 8)(x + 2)

a)

3

b)

-3

c)

8 and -2

d)

-8 and 2

94.

What is the axis of symmetry of the given function?

a)

x = -4

b)

x = 4

c)

x = -2

d)

x = 2

95.

Determine the domain and range of the function

a)

Domain: All real numbers

Range: All real numbers

b)

Domain: all real numbers greater than or equal to -4

Range: All real numbers

c)

Domain: All real numbers

Range: All real numbers greater than or equal to -4.

d)

Domain: all real numbers between -1 and 5.

Range: All real numbers greater than or equal to -4.

96.

Find the vertex y = (x - 5)(x - 1)

a)

(5, 1)

b)

(-5, - 1)

c)

(3, -4)

d)

(-3, 32)

97.

Determine the domain and range of the function.

a)

Domain: all real numbers.

Range: all real numbers less than or equal to 1.

b)

Domain: all real numbers.

Range: all real numbers less than or equal to 2.

c)

Domain: all real numbers less than or equal to 1.

Range: all real numbers.

d)

Domain: all numbers between 1 and 3.

Range: all real numbers less than or equal to 1.

98.

What is the equation for this parabola in factored form?

a)

y=(x+2)(x-1)

b)

y=(x-2)(x+1)

c)

y=(x-2)(x-1)

d)

y=(x+2)(x+1)

99.

Find the zeros of this quadratic.

a)

b=4/5, b=3

b)

b=4, b=-3

c)

b=1/5, b=3

d)

b=4/5, b=-3

100.

What is the greatest number of solutions that a Quadratic Equation can have?

a)

0

b)

1

c)

2

d)

3

101.

Use the quadratic formula to solve 2x² + 2x - 12?

a)

-2, 3

b)

2, 3

c)

2, -3

d)

-2, -3

102.

Solve using the quadratic formula x² - 3x - 5=0?

a)

b)

c)

d)

103.

The discriminant is

a)

aX² + bX + c

b)

b - 4ac

c)

b² - 4ac

d)

b² + 4ac

104.

Determine the value of the discriminant and describe the number and type roots for the following:

x² + 7x + 13

a)

101, 2 real roots

b)

3, 2 real roots

c)

-101, 2 imaginary roots

d)

-3, 2 imaginary roots

105.

If the discriminant is negative, then the quadratic has:

a)

1 Real Solution

b)

2 Real Solutions

c)

Half a Solution

d)

2 Imaginary Solutions

106.

If the discriminant is equal to 0, how many solutions are there?

a)

No solutions

b)

1 Solution

c)

2 Solutions

d)

Infinite solutions

107.

What does the discriminant tell us?

a)

The maximum or minimum

b)

The y-intercept

c)

The number and type of solutions

d)

The axis of symmetry

108.

For the function below, is the discriminant positive, negative, or zero?

y = x² + 4x + 4

a)

Positive

b)

Negative

c)

Zero

109.

Use the discriminant to determine the number of solutions 4x² + 4x + 1 = 0 has?

a)

0

b)

1

c)

2

d)

More than 2

110.

Which of the options shows the quadratic formula?

a)

$x=\frac{b\pm\sqrt{b^2-4ac}}{2a}$

b)

$x=\frac{-b\pm\sqrt{b^2-4ac}}{a}$

c)

$x=-b\frac{\pm\sqrt{b^2-4ac}}{2a}$

d)

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

111.

Solve by using the quadratic formula: $4x^2-2x-12=0$

a)

$5,\ -\frac{15}{2}$

b)

$\frac{-5\pm5\sqrt{13}}{2}$

c)

$2,\ -\frac{3}{2}$

d)

$\frac{15}{2},\ -5$

112.

Find the discriminant of $4x^2+6x+9=0$ then state the number and type of solutions.

a)

-40; no real solutions

b)

-108; no real solutions

c)

0; one real solution

d)

57; two real solutions

113.

Find the discriminant of $-x^2+4x+1=5$ then state the number and type of solutions.

a)

17; two real solutions

b)

-47; no real solutions

c)

0; one real solution

d)

0; two real solutions

114.

Use the quadratic formula to find the solutions for $-x^2-5x+12=0$

a)

No Real Solution

b)

$\frac{5\pm\sqrt{73}}{-2}$

c)

$\frac{-5\pm\sqrt{73}}{-2}$

d)

$\frac{5\pm\sqrt{-23}}{-2}$

e)

$\frac{5\pm\sqrt{23}}{-2}$

115.

True or false:
The solution, root, x-intercept, and zero of a problem are all the same thing

a)

True

b)

False, because the solution and root are the same but the x-intercept and zero are different

c)

False, because the x-intercept and root are the same but the zero and solution are different

d)

False, they are all different

116.

____________
For the function above, is the discriminant positive, negative, or zero?

a)

Positive

b)

Negative

c)

Zero

d)

Not Sure

117.

Which graph has a discriminant > 0?

a)

None of them

b)

Red

c)

Blue

d)

Green

118.

Use the quadratic formula to determine the solutions.

2x² - 9x - 35 = 0

a)

x = 7/2, x = -6

b)

x = -5/2, x =5

c)

x = -3/7, x =6

d)

x = -5/2, x = 7

119.

This equation is in standard form.
2x² + x - 11 = 0

a)

True

b)

False

120.

Use the equation to identify a, b, and c.
3x² -6x + 11 = 0

a)

3, 6, and 11

b)

3, -6, and -11

c)

3x², -6x, and 11

d)

3, -6, and 11

121.

∠1 and ∠3 can best be described as -

a)

complementary angles

b)

supplementary angles

c)

vertical angles

d)

adjacent angles

122.

Solve for x

a)

6

b)

140

c)

20

d)

90

123.

What is the measure of ∠ABC?

a)

25°

b)

75°

c)

108°

d)

150°

124.

Find the value of x.

a)

18°

b)

28°

c)

38°

d)

118°

125.

Tell whether the angles are complementary or supplementary. Then find the value of x.

a)

Complementary; x=25

b)

Complementary; x=5

c)

Supplementary; x=25

d)

Supplementary; x=5

126.

Find the value of x

a)

-5

b)

28

c)

19

d)

-3

127.

a)

2x-6=7x+4

b)

2x-6+7x+4=90

c)

2x-6+7x+4=180

d)

2x-6+7x+4=360

128.

What is the circumference of a circle with a diameter of 19.1 ft?

a)

60.00 ft

b)

35.17 ft

c)

28.67 ft

d)

47.17 ft

129.

What is the area of this circle?

a)

62.59 cm²

b)

113.1 cm²

c)

19.81 cm²

d)

28.26 cm²

130.

What is the area?

a)

12 cm²

b)

14

c)

14 cm²

d)

24 cm²

131.

Find the area of the composite figure.

a)

100 m squared

b)

131.4 m squared

c)

139.25 m squared

d)

178.5 m squared

132.

The diagram below shows the dimensions of a new swimming pool. A cover is needed for the pool, what will be the approximate area of the cover?

a)

720 ft squared

b)

127.17 ft squared

c)

592.83 ft squared

d)

254.34 ft squared

133.

What is the area of this figure?

a)

52 square centimeters

b)

36 centimeters

c)

57 square centimeters

d)

40 square centimeters

134.

What is the area of the shaded region?

a)

20 sq cm

b)

4 sq cm

c)

30 sq cm

d)

24 sq cm

135.

Solve.

a)

102 m²

b)

39 m²

c)

51.2 m

d)

81 m²

136.

a)

54 cm2

b)

45 cm2

c)

63 cm2

d)

36 cm2

137.

What is the area of the shaded region?

a)

14 m²

b)

120 m²

c)

106 m²

d)

134 m²

138.

Which equation would you use to find the volume of this composite figure?

a)

π(2)²(8) + ⁴/₃π(2)³

b)

π(2)²(4) + ⁴/₃π(2)³

c)

π(4)²(8) + ⁴/₃π(4)³

d)

π(4)²(8) + ⁴/₃π(4)³

139.

Mrs. Jones wants to paint a wall but not the door on the wall. How many square feet of wall does Mrs. Jones need to paint?

a)

36 ft²

b)

171 ft²

c)

129 ft²

d)

150 ft²

140.

Which equation can be used to find the volume of this figure?

a)

Vol = (8 x 7) (13)

b)

Vol = (8 x 13) ( 7)

c)

Vol = (1/2 x 8 x 13) (7)

d)

Vol = (1/2 x 8 x 7) (13)

141.

Mike has a large plastic cup that he is going to fill with water. The plastic cup is in the shape of a cone as shown. Which is closest to the volume of Mike’s cup?

a)

22 cubic inches

b)

63 cubic inches

c)

66 cubic inches

d)

198 cubic inches

142.

Find the volume.

a)

13680 m³

b)

684 m³

c)

1140 m³

d)

228 m³

143.

Find the volume if the height is 10 inches?

a)

3π in³

b)

9π in³

c)

30π in³

d)

90π in³

144.

Which cylinder will have a larger volume?

a)

Cylinder A

b)

Cylinder B

145.

Find the volume. Multiply by pi.

a)

14.13 in³

b)

56.52 in³

c)

169.56 in³

146.

What's the volume of this sphere?

a)

78.5 m³

b)

392.5 m³

c)

523.6 m³

d)

62.8 cm³

147.

V = ?

a)

904.32 ft³

b)

7,234.56 ft³

c)

150.72 ft³

148.

Find the volume of the following shape.

(What two solids are being added together??)

a)

4155.27 m³

b)

1038.82 m³

c)

804.24 m³

d)

1005.31 m³

149.

What is the volume of this composite figure?

a)

126 in³

b)

150 in³

c)

720 in³

d)

144 in³

150.

Find the volume of the composite figure.

a)

$616\ ft^3$

b)

$224\ ft^3$

c)

$210\ ft^3$

d)

$630\ ft^3$

Quarter 2 Revision Pack-1

Total questions: 150

Worksheet time: 10hrs 19mins

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