Form the quadratic equation in the form whose roots are and .
Answer and explanation
Correct answer: C.
- Step 1: A quadratic equation with roots and is given by . Here, and .
- Step 2: Compute sum and product: ; . Substituting yields .
Answer
.
Why not the others: '' incorrectly uses instead of ; '' uses for the coefficient; '' confuses signs in sum and product.
Practise more Quadratic Functions, Number Bases, and Consumer Mathematics.
Free questions with an explanation for every one, and full timed SPM Malaysia mock tests.
More Quadratic Functions, Number Bases, and Consumer Mathematics questions
- Solve the quadratic equation .
- Determine the maximum value of the quadratic function .
- Find the equation of the axis of symmetry for the quadratic curve .
- Find the values of if the quadratic equation has two equal real roots.
- Solve the equation .
- A rectangular school garden has a length of and a width of . Given that the total area of the garden is…