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General
Mathematics
| Question | Answer |
|---|---|
| What is the formula for the area of a rectangle? | A = Length x Width. |
| What is pie? | Pi is a constant (3.1416) and is the ratio of the circumference to the diameter of any circle |
| What is the formula for the circumference to the diameter of any circle? | C=Pi x D |
| What is the formula for the area of a circle? | A = Pi R(squared) |
| What is the formula for the volume of a cylinder? | V = Pi R(squared) x H (The area of a circle times height) |
| What is the formula used for finding the volume of a rectangle? | V = L x W x H |
| What is the root of a number? | The root of a given number is the base number that when multiplied by itself one or more times will produce the given number. |
| Give examples of perfect square numbers. | 4, 9, 16, 64, 100, 144 etc. |
| What is a squared number? | A number that is multiplied by itself. For example, the square of two |
| How do you express a decimal as a percent? | Move the decimal two places to the right and add the percent sign. For example, .75 is 75%, or .375 is 37.5%. |
| Using the powers of ten, how is 1,000,000 expressed? | Ten to the sixth power. |
| What is scientific notation? | Representing very large or small numbers using powers of 10. |
| What is the sum of a large negative number and a small positive number? | Subtract the smaller number from the larger number and use the sign of the larger number in the answer. |
| How is a ratio expressed? | A ratio may be expressed as a fraction, or it may be written using the colon (:) as a symbol for expressing a ratio. Thus, the ratio 5 to 7 may be written as S/7 or 5:7. |
| What is a proportion? | A ratio that describes the relation between two objects of different dimensions. |
| How do you divide one fraction by another? | Multiply the first fraction by the reciprocal of the second fraction. |
| What is a right angle, obtuse angle, and acute angle? | A right angle is an angle of 90 degrees, an obtuse angle is an angle greater than 90 degrees and an Acute angle is an angle of less than 90 degrees. |
| What is a quadrant? | It is one quarter of a circle. |
| What is a polygon? | A closed shape that is made up of three or more sides |
| What is a parallelogram? | A four-sided object with two pairs of parallel sides (rhombus). |
| What is the hypotenuse of a triangle? | It is the long side that is opposite of the 90-degree angle. |
| What is a mixed number? | It is a whole number followed by a fraction (2 1/2) |
| How can a decimal number be changed to a fraction? | Multiply the decimal value by the desired denominator; the result will be the numerator of the fraction. |
| Name some types of triangles. | isosceles, equilateral, scalene, obtuse, acute, and right |
| What is an equilateral triangle? | An equilateral triangle is a triangle in which all three sides have the same length. |
Created by:
llanesjc29