2(b-2)b=160 (b-2)b=80 分解因式 b^2-2b-80=0 (b-10)(b+8)=0 所以 b=-8 or b=10...
To get the maximum value of the product of two numbers when their sum is given, we find a product function in terms of a single variable and we will maximize this product function by using the optimization problem in Calculus. We get the critical value of...
The sum of two negative numbers is a ___ number的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
解析 C #s could be 12 &14,or −12 & −14, or any two #s with same sign. 如果两个数字的乘积是正数,那么这两个数字的和不可能是( ). A.正数 B.负数 C.0 D.分数 两个数字的乘积是正数,那么这两个数字可能都是正数,也可能都是负数,所以他们的和不可能是0,答案为C. 故选C....
The product of two positive numbers is 900. What is the minimum value of their sum?Inequality:For any two positive real numbers a,b there exists a famous Arithmetic-Geometric mean inequality, given by:- A.M.≥ G,M. . This inequality declares the minimum value of Arithme...
百度试题 结果1 题目【题目】If the product of two numbers is posi tive, their sum cannot be ( ). A.positive B.negative C.0 D. a fraction 相关知识点: 试题来源: 解析 C 反馈 收藏
Yes, but not always because the quotient of two negative numbers will be positive as for example -6/-2 = 3
3 If the sum of two rational numbers is negative and their product is also negative, then of the following statements, the correct one is ( ).(A) Both have the same sign and both are negative numbers.(B) Both have the same sign and both are positive numbers.(C) They have different...
Answer to: The product of two consecutive integers is 19 more than their sum. Find the integers. By signing up, you'll get thousands of...
【题目】If the sum of two rational numbers is negative and their product is positive, then these two rational numbers are( ).(A) one positive and the other negative, and the absolute value of the positive number is greater(B) one positive and the other negative, and the absolute value ...