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
\( 18\left(x+5\right)=2\left(x+c\right)+16x \)
In the given equation, c is a constant. The equation has infinitely many solutions. What is the value of c?
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方程组与方程解的个数进阶
\( 4x=32 \)
How many solutions does the given equation have?
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方程组与方程解的个数进阶
\( 0.5x+1.2y=9 \)
\( 1.5x+3.6y=27 \)
How many solutions does the given system of equations have?
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方程组与方程解的个数进阶
\( 9x+17=9x+k \)
In the given equation, k is a constant. The equation has infinitely many solutions. What is the value of k?
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方程组与方程解的个数进阶
\( 3x+2y=10 \)
\( 18x+12y=60 \)
How 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
\( a\left(9-x\right)=36-4x \)
In the given equation, a is a constant. The equation has exactly one solution. Which of the following CANNOT be the value of a?
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方程组与方程解的个数挑战
In triangle XYZ, the measure of angle X is x°, the measure of angle Y is y°, and the measure of angle Z is 31°. If \( x>y>31 \), which of the following additional pieces of information is NOT sufficient to determine the values of x and y?
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方程组与方程解的个数挑战
Which system of linear equations has no solution?
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方程组与方程解的个数进阶
\( \frac{-22x-29+m}{2}=k(x+5) \)
In the equation, k and m are constants. The equation has infinitely many solutions. What is the value of m?
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方程组与方程解的个数挑战
\( 39(x-n)=39y+39n \)
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进阶
\( x^2-51=-51+x^2 \)
How many distinct real solutions does this equation have?
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方程组与方程解的个数挑战
\( \frac{-20x-47+m}{2}=k(x+7) \)
In the given equation, k and m are constants. The equation has infinitely many solutions. What is the value of k?
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