Quadratic equations

Question 1 of 10

Find the sum of the roots of x² − 3x − 10 = 0.

Question 2 of 10

Find the quadratic equation whose roots are −4 and 5.

Question 3 of 10

x² + 1 = 0 has real roots.

Question 4 of 10

The discriminant of ax² + bx + c = 0 is

Question 5 of 10

Find the quadratic equation whose roots are 1 and 5.

Question 6 of 10

Completing the square can be used to solve any quadratic equation.

Question 7 of 10

The quadratic equation whose roots are 2 and 5 is

Question 8 of 10

Find the sum of the roots of x² − 4x − 12 = 0.

Question 9 of 10

Find the sum of the roots of x² − 7x + 10 = 0.

Question 10 of 10

If b² − 4ac = 0, the equation has