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进阶
31( x - n) = 31y +31n
One of the equations in a system of two linear equations is given, where n is a positive constant.The system has no solution. Which equation could be the second equation in this system?
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方程组与方程解的个数挑战
\[\frac{7}{8}y-\frac{5}{8}x=\frac{4}{7}-\frac{7}{8}y\]\[\frac{5}{4}x+\frac{7}{4}=py+\frac{15}{4}\]In the given system of equations, \(p\) is a constant. If the system has no solution, what is the value of \(p\)?
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方程组与方程解的个数挑战
\( \frac{5}{8}x+\frac{7}{8}y=\frac{4}{7}-\frac{7}{8}y \)
\( \frac{5}{4}x+\frac{7}{4}y=py+\frac{5}{2} \)
In the given system of equations, p is a constant. If the system has no solution, what is the value of p?
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方程组与方程解的个数进阶
48x - 72y = 30y + 24
ry= \(\frac{1}{6}\)- 16x
In the given system of equations,r is a constant.If the system has no solution, what is the value of r?
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方程组与方程解的个数基础
\( 8x-3y=3y+9 \)
\( hy=2+8x \)
In the given system of equations, h is a constant. If the system has no solution, what is the value of h?
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方程组与方程解的个数基础
How many solutions does the equation 7x-8=7x have?
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方程组与方程解的个数挑战
5x+4y=3
15x+12y=9
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?
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方程组与方程解的个数挑战
5x=75y-125
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?
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方程组与方程解的个数进阶
For a linear relationship between x and y , the table shows 4 values of x and their corresponding values of y.
The graph of a system of two linear equations is shown. If the linear relationship represented by the table is graphed in this xy-plane, resulting in the graph of a system of three linear equations, how many solutions (x, y) will the system of three linear equations have?
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方程组与方程解的个数进阶
How many solutions does the equation 8x +5=8x＋ 2 have?
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方程组与方程解的个数挑战
y=5xy=2x+2How many solutions does the given system of equations have?
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方程组与方程解的个数挑战
3x +5y= 8
9x + 15y = 24
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?
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