5272道题目5525 条题源记录 · 相同内容已合并
二次式展开・配方与等价形式挑战
Which expression is a factor of \( 2x^2+34x+8? \)
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二次式展开・配方与等价形式挑战
If \( \left(x+3\right)^2=24 \), what is the value of \( x^2+6x \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 7x^6-14x^2 \) , where \( x>0 \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 9\left(x^2+6\right) \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 7\left(x^2+5\right) \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 7\left(x^2+6\right) \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to\( 20x^2+3+5x^2 \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 3xy\left(2x^2+7y\right) \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 30x^2+6x+6 \) ？
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二次式展开・配方与等价形式挑战
\( f\left(x\right)=x^2-4x-320 \)
The function \( f \) is defined by the given equation. Which of the following equivalent forms of the equation displays the minimum value of the function as a constant or coefficient?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( (2x+9)^2-(x-7) \)?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 41x^2+41 \)?
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