If one of the roots of the quadratic equation x^2 + mx + 22 = 0 is 1.5, then what is the value of m?
Correct answer: D
Explanation
Here x=1.5 must satisfy the equation
=> 1.5^2 + 1.5m + 22 = 0
=> m=-16.2
D
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Source: Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.
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AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.