【SAT 数学】State the number and type of roots.
1个回答
x= 0
x≠0时 x^2+4x-21=0
(x+2)^2-25=0
(x+2)^2 = 25
x+2= ±5
x= 3 或x=-7
number = 3
type?
相关问题
.The square root of the product of 4 and a number is 6,what
一道SAT数学题in a set of eleven different numbers,which of the fo
sat英语难题,In the United States, the legal systems of 49 of the
________ recent report stated that the number of Spanish spe
sat数学题 property stated
求解SAT数学题!On the number line above ,
英语高手进来the United States increased the number of nuclear miss
Women in the United States ____ a growing number of sports a
英语翻译In the steady state also,the number of firms that enter
一道SAT 语法The radio station received the most number of calls