5272道题目5525 条题源记录 · 相同内容已合并
方程组与方程解的个数挑战
y = 5x
y = 2x+ 2
How many solutions does the given system of equations have?
原库参考解析
方程组与方程解的个数进阶
7x - 56y = 14
One of the two equations in a system of linear equations is given.The system has no solution. Which equation could be the second equation in this system?
原库参考解析
方程组与方程解的个数挑战
16(x＋4) =2(x + c ) +14x
In the given equation, c is a constant.The equation has infinitely many solutions. What is the value of c?
原库参考解析
方程组与方程解的个数进阶
At how many points do the graphs of the equations \( y=x+11 \) and \( y=10x \) intersect in the xy-plane?
原库参考解析
方程组与方程解的个数进阶
\( 9x+y=15 \)
\( 90x+10y=150 \)
How many solutions does the given system of equations have?
原库参考解析
方程组与方程解的个数挑战
How many solutions does the equation \( 13\left(x+17\right)+4x=17\left(x+13\right) \) have?
原库参考解析
方程组与方程解的个数进阶
The graph of a system of two linear equations is shown. If a third equation, \( x+2y=−8 \), is added to this system, how many solutions will the resulting system of three equations have?
原库参考解析
方程组与方程解的个数挑战
\( y=\frac{4}{7}x+5 \)
One of the two equations in a system of linear equations is given. The system has infinitely many solutions. If the second equation in the system is \( y=mx+b \), where m and b are constants, what is the value of b?
原库参考解析
方程组与方程解的个数进阶
Which system of linear equations has infinitely many solutions?
原库参考解析
方程组与方程解的个数进阶
How many solutions does the equation \( 7x+5=7x+8 \) have?
原库参考解析
方程组与方程解的个数挑战
\( 2x+7y=5 \)
\( 12x+42y=30 \)
For each real number r, which of the following points lies on the graph of each equation in the xy-plane for the given system?
原库参考解析
方程组与方程解的个数进阶
How many solutions does the equation \( 6x+4=6x+8 \)have?
原库参考解析
