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41 Cards in this Set
- Front
- Back
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What is meant by the root of a number? |
One or more numbers that when multiplied together will produce the number. |
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What is the eighth power of 2? |
256 |
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What is the square root of √4,096? |
64 |
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What is the square root of 99? |
9, 801 |
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What is the cube root of 5? |
125. |
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What is the cube root of 1000. |
10. |
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What is the base of the expression 10 to the third power? |
10 |
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What is the exponent in the expression 10 to the third power? |
3 |
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What is meant by scientific notation? |
Method of writing very large or very small numbers using the powers of 10. |
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What is an angle? |
A figure formed by two lines radiating from a common point. |
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What is meant by a right angle? |
90° angle |
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What is an obtuse angle? |
An angle greater than 90° but less than a straight line. |
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What is an acute angle? |
An angle between 0° and 90°. |
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What is a quadrant? |
One fourth of a circle. |
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What is a sector? |
The portion of a circle bounded by two radii and one of the intercepted Arcs. |
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What is a polygon? |
A closed figure having three or more sides. |
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What is an acute triangle? |
Triangle with three acute angles. |
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What is an obtuse triangle? |
A triangle with one obtuse angle. |
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What is a right triangle? |
A triangle with three equal sides. |
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What is an isosceles triangle? |
A triangle with 2 equal sides. |
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What is a scalene triangle? |
A triangle in which no two sides are equal. |
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What is the hypotenuse of a right triangle? |
The side opposite to the right angle. |
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What is a quadrilateral? |
A polygon having four sides. |
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What is a parallelogram? |
A closed four sided figure in which opposite sides are parallel. |
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What is a trapezoid? |
A closed four sided figure in which only one pair of opposite sides are parallel. |
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What is a hexagon? |
Close figure with 6 equal sides. |
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What formula is used to find the area of a circle? |
0.7854 * D square or pi times radius square |
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What formula is used to find the volume of a cylinder? |
0.7854 x Diameter square x Height |
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What family is used to find area of a rectangle? |
Length x Width |
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What formula is used to find the volume of a rectangular solid? |
Length x Width x Height |
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What formula is used to find the area of a triangle? |
Base x Height ÷ 2 |
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What is the significance of a constant? |
Constant pi is the amount the circumference of a circle is greater than its diameter. |
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What is the value of a constant (pi)? |
3.1416 |
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What is meant by a ratio and how is it expressed? |
Fraction that compares one number to another. Expressed as 6:2 |
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What is meant by a proportion? |
Statement of equality between two ratios. Example a/b=b/c |
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What is meant by a percentage? |
A fraction having 100 as the denominator. Example 75/100=75% |
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What is meant by a negative number? |
The number less than 0 or a number proceeded by a minus sign. |
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What steps are used to add signed numbers |
1. Add all numbers having a plus sign 2. Add all numbers having a minus sign 3. Subtract the smallest from the largest numbers and the sign of the answer will be the sign of the larger number. |
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What steps I used to subtract signed numbers? |
1. Change the sign of the number that is been subtracted 2. If the signs are alike add the two numbers and attach the common sign 3. If the signs are different, subtract the smaller from the larger and give the answer the sign of the largerq |
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What steps are used to divide signed numbers? |
1. Divide the numbers, disregarding the signs 2. If the signs of the two numbers are alike, the sign of the answer is positive 3. If the signs of the two numbers are not alike the sign of the answer is negative. |
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What steps are used to multiply signed numbers? |
1. Multiply the numbers disregarding the signs 2. If the signs of the two numbers are like, the answers is positive 3. If the signs of the two numbers are not alike, the answer is negative |
