All about Maths
Grade 7 Maths
Grade 8 Maths
Grade 9 Maths
Grade 10 Maths
100

The developer of the Pythagorean Theorem.

Pythagoras

100

A dozen is equal to how many pieces?

12 pieces

100

Which of the following are perfect square trinomials?

a. x2 + 10xy + 100y2

b. x2 – 10xy + 100y2

c. x2 – 20xy + 100y2

d. x2 + 20xy + 100y2

c. x2 – 20xy + 100y2

and

d. x2 + 20xy + 100y2

100

Trigonometry is the branch of mathematics which was first used to understand _______.

Astronomy

100

The following are examples of the Fibonacci sequence EXCEPT:

a. 0, 1, 1, 2, 3, 5

b. 2, 3, 5, 8, 13

c. 34, 55, 89, 144, 233

d. 1, 4, 7, 10, 13

d. 1, 4, 7, 10, 13

200

What is the only even prime number?

Two or 2

200

Simplify (z⁴)⁷

z²⁸

200

Which of the following is a sum of two cubes?

    a. x3 + 9            b. x3 – 1            

    c. x6 + 8            d. x6 + 16

c. x6 + 8

200

Why is an angle of elevation or depression always an acute angle?

Humans can only look up or down at a maximum of 90 degrees.

200

What is the leading coefficient of the polynomial function f(x) = x – 2x3 – 4?

The leading coefficient is -2.

300

How many squares of all sizes are there in a chessboard?

204 squares

300

What must be added to the product of -5 and 9 to get 22?

67

300

If one factor of 4x2 – 25 is 

2x – 5, what is the other factor?

The other factor is 2x + 5.

300

What is the rule that is appropriate to use when finding a side length of any triangle given the three interior angles.

The Sine Rule

300

What is the equation of a circle with radius 4 units and centre (2, 5)?

(x – 2)2 + (y – 5)2 = 42

400

Who is the Father of Trigonometry?

Hipparchus of Nicaea

400

The difference of 8z³ and 3z³ is _______.

5z³

400

The technique of collecting data from an entire population is called a _______.

Census

400

One side and the longer diagonal of a parallelogram are 6 units and 14 units. The side and the diagonal formed an angle equal to 50 degrees. What would be the area of the parallelogram?

64.348 units2

400

At a given point on a circle, how many line/s can be drawn that are tangent to the circle?

Only 1

500

The only number that has letters in alphabetical order.

45 (Forty)

500

Write the Decimal Number 0.00003819 in Scientific notation (Standard form). 

A. 0.3819 x 10-4

B. 3.819 x 10-5

C. 3.819 x 10-4

D. 38.19 x 10-6

B. 3.819 x 10-5

500

The method of collecting data from every kth member of a population is called _______.

Systematic Sampling

500

A rectangular lot is 5 metres wide and 12 metres long. How long is the diagonal that cuts diagonally across the lot?

13 metres

500

Define a polynomial. 

Polynomials are expressions containing 1 or more terms, where each term contains a coefficient and a variable (e.g. x) raised to a positive or zero integer exponent. Terms can be added or subtracted, but not multiplied or divided. 

E.g. 3x2 + x + 1

M
e
n
u