Mathematics

Question 0

Define square root.

Answer 0

The factor of a number that, when squared, will give the number.

Question 1

What is meant by the root of a number?

Answer 1

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

Question 2

How can you perform math with very small or very large numbers?

Answer 2

Scientific Notation (Powers of 10).

Question 3

How may 1,000,000 be written?

Answer 3

10 to the 6th power.

Question 4

What formula is used to find the area of a rectangle?

Answer 4

A = L x W

Area equals length times width.

Question 5

What formula is used to find the area of a circle?

Answer 5

A = pi x r^2 or, A = 0.7854 x D^2

Question 6

What is the significance of the constant pi?

Answer 6

Pi is the ratio of the circumference to the diameter of any circle.

Question 7

What is a trapezoid?

Answer 7

A closed four-sided figure in which only one pair of opposite sides are parallel.

Question 8

Show two ways a ratio is expressed.

Answer 8

7/8 or 7:8

Question 9

What is meant by a proportion?

Answer 9

A statement of equality between two ratios; for example, a/b = b/c is a proportion.

Question 10

Change 0.29 from a decimal into a percent.

Answer 10

29%

Question 11

What is the rule for dividing fractions?

Answer 11

Reciprocate the divisor and multiply across.

Question 12

What are the steps for adding or subtracting unlike fractions?

Answer 12

Find the least common denominator and convert the fractions to the same denominator.

Question 13

What are the steps to convert a fraction to a decimal?

Answer 13

Divide numerator by denominator.

Question 14

List the steps to convert a fraction to a percent.

Answer 14

Divide numerator by denominator, move decimal place, affix percentage sign.

Question 15

How do you convert a decimal to its nearest fraction?

Answer 15

Place decimal over denominator equal to decimal length, reduce to simplest form.
Example: 0.38 = 38/100 = 19/50
0.425 = 425/1000 = 17/40
0.7896 = 7896/10000 = 987/1250

Question 16

What formula is used to find the volume of a cylinder?

Answer 16

V = 0.7854 x d^2 x h or V = pi x r^2 x h

Question 17

What formula is used to find the volume of a rectangular solid?

Answer 17

V = L x W x H

Question 18

What formula is used to find the area of a triangle?

Answer 18

A = (B x H)/2

Question 19

What is the value of the constant pi?

Answer 19

pi = 3.1416

Question 20

What is the eighth power of 2?

Answer 20

256

Question 21

What is the square root of 4,096?

Answer 21

64

Question 22

What is meant by a negative number?

Answer 22

A number less than 0, or a number that is preceded by a minus (-) sign.

Question 23

What is meant by a ratio and how is a ratio expressed?

Answer 23

A fraction that compares one number to another; for example, 6:2 is a ratio.

Question 24

What is an angle?

Answer 24

A figure formed by two lines radiating from a common point.

Question 25

What is a quadrant?

Answer 25

One fourth of a circle.

Question 26

What is the square of 99?

Answer 26

9,801

Question 27

What is the cube of 5?

Answer 27

125

Question 28

What is the cube root of 1,000?

Answer 28

10

Question 29

What is the base of this expression, 10^3?

Answer 29

10

Question 30

What is the exponent in this expression, 10^3?

Answer 30

3

Question 31

What is meant by scientific notation?

Answer 31

A method of writing very large or very small numbers using powers of 10.

Question 32

What is meant by a right angle?

Answer 32

An angle of 90 degrees.

Question 33

What is an obtuse angle?

Answer 33

An angle greater than 90 degrees but less than a straight line.

Question 34

What is an acute angle?

Answer 34

An angle between 0 degrees and 90 degrees.

Question 35

What is a sector?

Answer 35

The portion of a circle bounded by two radii and one of the intercepted arcs.

Question 36

What is a polygon?

Answer 36

A closed figure having three or more sides.

Question 37

What is an acute triangle?

Answer 37

A triangle with three acute angles.

Question 38

What is an obtuse triangle?

Answer 38

A triangle with one obtuse angle.

Question 39

What is a right triangle?

Answer 39

A triangle containing a 90 degree angle.

Question 40

What is a equilateral triangle?

Answer 40

A triangle with three equal sides.

Question 41

What is an isosceles triangle?

Answer 41

A triangle with two equal sides.

Question 42

What is a scalene triangle?

Answer 42

A triangle in which no two sides are equal.

Question 43

What is the hypotenuse of a right triangle?

Answer 43

The side opposite the right angle.

Question 44

What is a quadrilateral?

Answer 44

A polygon having four sides.

Question 45

What is a parallelogram?

Answer 45

A closed four-sided figure in which the opposite sides are parallel.

Question 46

What is a hexagon?

Answer 46

A closed figure with six equal sides.

Question 47

What is meant by a percentage?

Answer 47

A fraction having 100 as the denominator. For example: 65% = 65/100