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How can you distinguish parabolas from other conic sections by looking at their equations without an 𝑥𝑦−term?Group of answer choicesIn equations for​ parabolas, 𝑥 and 𝑦 are both squared and the coefficients on them are the​ same, including the sign.In equations for​ parabolas,  𝑥 and 𝑦 are both​ squared, and exactly one of the coefficients is negative and exactly one of the coefficients is positive.In equations for​ parabolas, 𝑥 and 𝑦 are both​ squared, and the coefficients are​ positive but different.In equations for​ parabolas, either 𝑥 and 𝑦 is​ squared, but not both.

Question

How can you distinguish parabolas from other conic sections by looking at their equations without an 𝑥𝑦−term?Group of answer choicesIn equations for​ parabolas, 𝑥 and 𝑦 are both squared and the coefficients on them are the​ same, including the sign.In equations for​ parabolas,  𝑥 and 𝑦 are both​ squared, and exactly one of the coefficients is negative and exactly one of the coefficients is positive.In equations for​ parabolas, 𝑥 and 𝑦 are both​ squared, and the coefficients are​ positive but different.In equations for​ parabolas, either 𝑥 and 𝑦 is​ squared, but not both.

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Solution

In equations for parabolas, either 𝑥 or 𝑦 is squared, but not both. This is what distinguishes parabolas from other conic sections when looking at their equations without an 𝑥𝑦-term.

Similar Questions

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