Mathematics

Question 1

What is the formula for the area of a rectangle?

Answer 1

A = LW (Area=Length X Width)

Question 2

What is PI?

Answer 2

Pi is a constant (3.14) and is the ratio of the circumference to the diameter of any circle.

Question 3

What is the formula for the circumference of a circle?

Answer 3

C = Pi(d)

Question 4

What is the formula for the area of a circle?

Answer 4

A = (Pi)(r2)

Question 5

What is the root of a number?

Answer 5

The root of a number is one of two or more equal numbers that, when multiplied together, will produce the number.

Question 6

What is a square of a number or example of a squared number?

Answer 6

Give examples of perfect square numbers. 4, 9, 16, 64, 100, 144, etc.

Question 7

. How do you express a decimal as a percent?

Answer 7

Move the decimal two places to the right and add the percent sign. For example, .75 is 75% or .375 is 37.5%.

Question 8

Using the powers of ten, how may 1,000,000 be expressed?

Answer 8

Ten to the sixth power or 10^6.

Question 9

What is the sum of a large negative number and a small positive number?

Answer 9

Subtract the smaller number from the larger number and use the sign of the larger number in the answer.

Question 10

How is a ratio expressed?

Answer 10

A ratio may be expressed as a fraction or it may be written using the colon (:) as the symbol for expressing ratio. Thus, the ratio 5/7 may be written 5:7.

Question 11

What is a trapezoid?

Answer 11

A quadrilateral (a four-sided shape) having one pair of parallel sides.

Question 12

What is a proportion?

Answer 12

A statement of equality between two or more ratios (3:4 = 6:8).