Questions
MUF0091 Mathematics Unit 1 - Semester 1, 2025 12.3 Study Area 1 revision questions
Single choice
State all the x-intercepts for the function \( y=x^3-2x^2-3x \).
Options
A.a. 0, -1, and 3
B.b. 0, -1, and -3
C.c. -1 and -3
D.d. 1 and 3
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Step-by-Step Analysis
To find the x-intercepts of y = x^3 - 2x^2 - 3x, I look for the zeros of the function where y = 0.
First, factor the polynomial: x^3 - 2x^2 - 3x = x(x^2 - 2x - 3).
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