02. [10-16-2024] Quiz in ME 433 - Part 3

In the quadratic equation Ax² + Bx + C = 0, when the roots are multiplied, the result is _____.

• C/A
• -B/A
• -C/A
• A/C

In the quadratic equation Ax² + Bx + C = 0, when the roots are added, the result is _____.

• C/A
• - B/A
• - C/A
• A/C

If the discriminant of a quadratic equation is less than zero, the equation has _____.

• no real roots
• one root only
• two real roots
• none of the above

When can we say that the two roots of a quadratic equation are equal?

• when discriminant is greater than 1
• when discriminant is zero
• when the coefficient of the second degree term is equal to the coefficient of the first degree term
• none of the above

What is the discriminant of the quadratic equation Ax² + Bx + C = 0

• √(B² - 4AC)
• B² - 4AC
• B² + 4AC
• √(B² + 4AC)

What determines the nature of the roots of the quadratic equation?

• Coefficient
• Discriminant
• Factors
• All of the above

The real roots of a cubic equation are the _____.

• points of inflection of the graph of the equation
• points of intersection of the graph of the equation with the x-axis
• points of intersection of the graph of the equation with the y-axis
• obtained by using the quadratic formula

For a cubic equation, we produce three distinct real roots only if the discriminant is _____.

• equal to zero
• less than zero
• greater than zero
• either less than or greater than zero

For a cubic equation, the discriminant is found to be greater than zero. The roots are _____.

• one real and two conjugate complex roots
• three distinct roots
• three real roots , which two are equal
• none of these

A succession of numbers in which one number is designated as first , another as second, another as third and so on is called _____.

• series
• arrangement
• arrangement
• sequence