Iba Math

Question 1

What is the value of π (pi) to two decimal places?

Answer 1

3.14

Question 2

True or False: The sum of the angles in a triangle is 180 degrees.

Answer 2

True

Question 3

What is the formula for the area of a circle?

Answer 3

A = πr²

Question 4

Fill in the blank: The Pythagorean theorem states that in a right triangle, a² + b² = ____.

Answer 4

c²

Question 5

What is the quadratic formula?

Answer 5

x = (-b ± √(b² - 4ac)) / 2a

Question 6

If a rectangle has a length of 5 and a width of 3, what is its area?

Answer 6

15

Question 7

What is the slope of a line that passes through the points (2,3) and (4,7)?

Answer 7

2

Question 8

True or False: The median of the set {3, 5, 7} is 5.

Answer 8

True

Question 9

What is the formula for the volume of a cylinder?

Answer 9

V = πr²h

Question 10

If 5x = 20, what is the value of x?

Answer 10

4

Question 11

What is the greatest common divisor (GCD) of 12 and 15?

Answer 11

3

Question 12

Fill in the blank: The formula for the circumference of a circle is C = ____.

Answer 12

2πr

Question 13

What is the derivative of f(x) = x²?

Answer 13

2x

Question 14

What is the value of the expression 3^3?

Answer 14

27

Question 15

True or False: An obtuse angle measures more than 90 degrees.

Answer 15

True

Question 16

What is the least common multiple (LCM) of 4 and 5?

Answer 16

20

Question 17

If a triangle has sides of length 3, 4, and 5, is it a right triangle? Yes or No.

Answer 17

Yes

Question 18

What is the sum of the first ten positive integers?

Answer 18

55

Question 19

What is the probability of rolling a 3 on a standard six-sided die?

Answer 19

1/6

Question 20

Fill in the blank: The formula for the area of a triangle is A = 1/2 × base × ____.

Answer 20

height

Question 21

What is the value of 12! (12 factorial)?

Answer 21

479001600

Question 22

True or False: A prime number has exactly two distinct positive divisors.

Answer 22

True

Question 23

What is the distance formula between two points (x₁, y₁) and (x₂, y₂)?

Answer 23

d = √((x₂ - x₁)² + (y₂ - y₁)²)

Question 24

If the angles of a triangle are 60°, 70°, and x°, what is the value of x?

Answer 24

50

Question 25

What is the integral of f(x) = 3x²?

Answer 25

x³ + C

Question 26

What is the coefficient of x in the expression 4x² + 3x + 5?

Answer 26

3

Question 27

Fill in the blank: The formula for the surface area of a sphere is A = ____.

Answer 27

4πr²

Question 28

What is 15% of 200?

Answer 28

30

Question 29

True or False: A hexagon has six sides.

Answer 29

True

Question 30

What is the square root of 64?

Answer 30

8

Question 31

If a car travels 60 miles in 1 hour, what is its speed in miles per hour?

Answer 31

60

Question 32

What is the value of the expression 7 + 3 × 2?

Answer 32

13

Question 33

What is the sum of the angles in a quadrilateral?

Answer 33

360 degrees

Question 34

If a triangle has a base of 10 and a height of 5, what is its area?

Answer 34

25

Question 35

What is the formula for the perimeter of a rectangle?

Answer 35

P = 2(l + w)

Question 36

True or False: The mode of the set {1, 2, 2, 3, 4} is 2.

Answer 36

True

Question 37

What is the value of x in the equation 2x + 3 = 11?

Answer 37

4

Question 38

Fill in the blank: The total number of degrees in a circle is ____.

Answer 38

360

Question 39

What is the formula for the area of a parallelogram?

Answer 39

A = base × height

Question 40

What is the first prime number?

Answer 40

2

Question 41

If a line has a slope of 3 and passes through the origin, what is its equation?

Answer 41

y = 3x

Question 42

What is the value of 5 factorial (5!)?

Answer 42

120

Question 43

True or False: The sum of two even numbers is always even.

Answer 43

True