中文意思就是:直线L过抛物线y(2,3),L又过(4,-5),所以设L:y=kx+b联立-5=4k+b和3=2k+b得k=-4,b=11,即y=-4x+11.
2010年一月SAT数学题题是这样的:y=-2(x-2)^2+3In the xy-plane,line L passe
3个回答
相关问题
-
SAT数学题求解释In the xy-coordinate plane, the graph of x = y*y -4
-
一道GRE数学题in the xy-plane what is the slope of the line whose
-
数学题题题题题题题i题题题(x^3+xy^2+1)/(x^3+xy^2-x^2y-y^3)×(x^2y-xy^2)/(x
-
2010年5月SAT数学问题是这样的:If b>1,what is the slope of the line in t
-
问道SAT数学题:xy=x+y.如果y>2,求x的范围?
-
英语翻译1、In the xy-plane,if line k has negative slope and passe
-
In the xy-coordinate plane,lines L and Q are perpendicular.I
-
SAT 2010年1月的题目有2个问题1.有一道这样的数学题The digits 1,2,3 and 4 are to
-
有这样一道题:计算(2x³-3x²y-2xy²)-(x³-2xy²+y
-
sat math question in the xy plane