Coefficients add to zero, so 1 is a root and the other root is c/a
This type of question, asked 3 times: CDS 1 2023, CDS 2 2023, CDS 2 2025. All 3 questions below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 1 2023
12If a, b, c are non-zero real numbers such that , then what are the roots of the equation ?Tap an option to check your answer.
Question 2 (case study, 2 parts)
CDS 2 2023
A quadratic equation is given by ; where a, b and c are real and distinct.49What are the roots of the equation ?Tap an option to check your answer.
50Consider the following statements : 1. One of the roots of the equation is always less than 1 if a, b and c are all positive. 2. One of the roots of the equation is always negative if a, b and c are all negative. Which of the statements given above is/are correct ?Tap an option to check your answer.
Question 3
CDS 2 2025
25If , then what are the roots of this equation?Tap an option to check your answer.