1. What is the most common kind of real number?相关知识点: 试题来源: 解析 The most common kind of real number is irrational numbers. 实数分为有理数和无理数。虽然有理数在数轴上稠密,但从集合论的角度来看,无理数的数量远超有理数。因此,实数中最常见的类型是无理数。反馈 收藏 ...
While all Rational Numbers are Real Numbers, not all Real Numbers are Rational. 7 For instance, the square root of 2 is a Real Number, but it isn't rational because it can't be exactly expressed as a fraction. 9 Conversely, the number ½ is both a Real Number and a Rational ...
解析 8.答案:2109核心短语/词汇:a series of regular numbers 一系列规则的数字next 下一个;number数字;翻译:有一系列规则的数字,下一个数字是什么?解析:根据所给数字1,2,3,7,46,我们判断每一项的平方减去前一项等于它的下一项,因此要写的数字是:46×46-7=2109;答案是2109。
Let x and y be real numbers. If (x + y i) - (2 - 3 i) = -6 + 4 i, what are the values of x and y? What types of numbers are NOT real numbers? What is meant by real numbers? a,b, and c are real numbers such that ab= 44, bc= 112, and a + c= 13. What ...
What is a real number? Imaginary Numbers: Imaginary numbers are also called complex numbers. When imaginary numbers are squared, the result is a negative number. Imaginary numbers are used in certain calculations, such as quadratic equations. They are the result of a real number multiplied by i...
解析 B The answer is . This problem can be solved by noticing that this is the equation of a circle with radius of . When put into vertex form, the one point that satisfies this equation is the center of the circle.反馈 收藏
(or "complex") numbers, which include a component multiplied by, the square root of -1. Some real numbers can be difficult to use in computers, which must represent long or nonterminating numbers in a finite number of bits. As a result, some real numbers may be approximated, or rounded...
【题目】What is the sum of all real numbers x for w hich the median of the numbers 4,6,8,17,and x is equal to the mean of those five num bers?( ) A.-5 B.0 C.5 D.154 E.354 相关知识点: 试题来源: 解析 【解析】A
If {eq}t {/eq} is a real number, What is the maximum possible value of the expression {eq}-t^2 + 8t -4? {/eq} Quadratic Equation - Vertex: A quadratic function has a graph of a parabola. A parabola can either be facing upwards or downwards. If it...
Techopedia Explains Real Number Because real numbers are virtually limitless, a computer can compute on only those numbers that have predefined algorithms. The performance of scientific software is often measured in floating point operations per second. ...