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方程4x2+4x+1=0的解是 .
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教案备课库《作业:05122.1一元二次方程》真题及答案
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若方程组的解也是方程3x+ky=10的解则k的值是
k=6
k=10
k=9
k=
x=2是方程ax﹣4=0的解检验x=3是不是方程2ax﹣5=3x﹣4a的解.
方程﹣1=0的解是x=
下列方程中和方程x﹣1=4的解相同的方程是
2x﹣3=5
4x+1=15
3x﹣1=7
4x+4=24
方程18﹣x=6的解是
x=24
x=20
x=12
规定若关于x的一元一次方程ax=b的解为b+a则称该方程为和解方程.例如方程2x=-4的解为x=-2
方程0.8x+0.4=3.6的解与方程的解相同.
0.5x=2
0.5x=2.8
0.8x=4
方程组的解也是方程2x+3y=24的解则k的值
2
3
4
5
下列方程中以x=﹣1为解的方程是
7(x﹣1)=0
4x﹣7=5x+7
x=﹣3
若方程2x+1=3x的解与关于x的方程x﹣3a=4的解相同求关于y的方程的解.
阅读下面的解题过程解方程|x+3|=2.解当x+3≥0时原方程可化成为x+3=2解得x=-1经检验x
方程4x+8=32的解是
x=6
x=8
x=10
x=24
当m为何值时关于x的方程3x+m=2x+7的解比关于x的方程4x﹣2=3x+m的解大9
我们探究得方程x+y=2的正整数解只有1组方程x+y=3的正整数解只有2组方程x+y=4的正整数解
34
35
36
37
方程4x+2m=3x+1和方程3x+2m=4x+1的解相同求m的值和方程的解.
关于x的方程﹣2x+a﹣4=0的解是x=﹣2则a的值为
﹣24
0
3
24
方程4x+5y=24的非负整数解为__________.
2.4X﹣0.8X=4方程的解与方程的解相同.
4.5+2X=11.5
4X﹣1.2=3.8
0.3X﹣0.1X=0.5
如果方程5x﹣3=4x﹣10的解与方程4x﹣3a+1=6x+2a﹣1的解相同求式子﹣﹣3a2+7a﹣
阅读下面的解题过程解方程4x-12-104x-1+24=0解把4x-1视为一个整体设4x-1=y则原
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