5
Answer: ASet 16: Quadratic Equations
Explanation
Find the x-intercepts of .
A.✓ Correct
and
B.
and
C.
and
D.
Detailed Explanation
Choice A is correct. Choice A is the correct answer. The x-intercepts are found by setting . 1. Set . 2. Apply Zero Product Property: * * 3. The coordinates are and . Choice B is incorrect because of sign errors (common mistake). Choice C is incorrect because it lists them as y-intercepts. Choice D is incorrect because it combines them into one point.
Key Steps:
•
The correct answer is and
Why others are wrong:
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
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