5272道题目5525 条题源记录 · 相同内容已合并
二元一次方程组求解进阶
y =5(x -3)
y =(x - 3)2
Which ordered pair (x, y) is a solution to the given system of equations?
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二元一次方程组求解进阶
9x +5y= 19
-9x - 3y =7
The solution to the given system of equations is (x, y). What is the value of 2y?
原库参考解析
二元一次方程组求解进阶
4x = 12
-3x ＋y = -1
The solution to the given system of equations is (x, y). What is the value of x + y?
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二元一次方程组求解进阶
\( y=-\frac{1}{8}x \)
\( y=\frac{1}{10}x \)
The solution to the given system of equations is (x, y). What is the value of x?
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二元一次方程组求解挑战
A piece of string with a length of 53 inches is cut into two parts. One part has a length of x inches, and the other part has a length of y inches. The value of x is 8 more than 2 times the value of y. What is the value of x?
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二元一次方程组求解进阶
\( y=-\frac{1}{4}x \)
\( y=\frac{1}{6}x \)
The solution to the given system of equations is (x, y). What is the value of x?
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二元一次方程组求解挑战
\( x+26=y \)
\( \left(x+26\right)^2=y \)
A solution to the given system of equations is (x, y). What is a possible value of x?
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二元一次方程组求解挑战
A proposal for a construction project was included on a city election ballot. A TV news report stated that 8 times as many people voted in favor of the proposal as people who voted against it. An internet article reported that 24,500 more people voted in favor of the proposal than voted against it. Based on these data, how many people voted against the proposal?
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二元一次方程组求解挑战
\( x=2+5y \)
\( x=4-5y \)
The solution to the given system of equations is (x, y). What is the value of 2x?
原库参考解析
二元一次方程组求解挑战
\( \frac{x-17}{6}+\frac{y+28}{3}=-5 \)
\( \frac{x-17}{3}-\frac{y+28}{6}=5 \)
The solution to the given system of equations is \( \left(x,\ y\right) \). What is the value of \( x−y \) ?
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二元一次方程组求解进阶
\( 7y=-6x+2,170 \)
\( 24x-28y=1,400 \)
The solution to the given system of equations is \( (x,y). \) What is the value of \( x+y \) ?
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二元一次方程组求解进阶
The solution to a system of linear equations is (5, 5). Which of the following could be the graph of the equations in the system?
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