K为何值时,不等式1/2（KX+8）大于3X恒成立.

K为何值时,不等式1/2（KX+8）大于3X恒成立. 当k为何值时,不等式二分之一*（kx+8）大于3x永远成立? 问一道数学题,要把我教会当k为何值时,不等式1/2（kx＋8）大于3x恒成立. k为何值时,不等式2分之1（kx+8）＞3x永远成立? k为何值时,不等式kx²-（k-2）x+k k为何值时,不等式1/2(kx+8)>3恒成立wo 要过程``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````` 当k为何值时,对任意实数x,不等式kx^2-(k-2)x+k大于0都成立.要求过程简洁明了. 2道数学题非常急,k为何值时,不等式kx 的平方 －（k-2）x+k k为何值时,不等式kx^2-(k-2)x+k k为何值时,不等式1/2(kx+6)>3x永远成立 一、当m为何值时,关于x的方程m(x-1)=3(x+2)的解大于零?m为何值时,该方程有非正数解?二、当k为何值时,一元二次不等式2k（x平方）+kx-3/8小于0,对于一切x值都成立?三、当x大于0,b大于0时,求证3x/b+4b 在K为何值时,不等式1/2(kx＋8)＞3x的值恒不变 当k为何值时,一元二次不等式2kX（X是2次方）+KX-3分之8小于0对于一切X值都成立? 当k为何值时,不等式2x2+2kx+k/4x2+6x+3 当k为何值时,不等式2x2+2kx+k/4x2+6x+3 实数k为何值时,函数y=(2kx-8)/(kx*x+2kx+1)的定义域为k(kx*x就是kx的平方) 高一数学..关于解一元二次不等式当k为何值时,关于x的方程x^2-kx+k-2=0的两实根都大于1/2 k为何值时,函数y=2kx-8/kx平方+2kx+1的定义域为R?