Summative Test (Quarter II)

In a quadratic equation, the value b² – 4ac = 0 is called

• Quadratic Formula

• Discriminant

• Sum of the Roots

• Product of the Roots

If the discriminant of a quadratic equation is greater than zero, there is/are

• 1 real root

• 2 real roots

• imaginary roots

• no solution

The coefficients of a quadratic equation are all integers. The discriminant is 0. Which statement best describes its roots?

• Two irrational roots

• No real roots

• One rational root

• Two rational roots

What will be the nature of the roots of the quadratic equation 5x² – 11x + 13?

• Imaginary

• real and equal

• real and rational

• real and irrational

7. Kryz wants to get the sum of the roots. She then gets the values of a, b, and c. What process will she do next?

8. Transform x(x + 6) = 8 (x+3) into quadratic equation in the form ax² + bx +c = 0.

• x² – 2x –24 = 0

• x² + 14x +24 = 0

• x² + 2x + 24= 0

• x² –2x + 24 = 0

9. Which of the following equations is transformable to quadratic equation?

• 3x + 7 = x + 5

• (x + 3)(x - 5) = x

10. Refer to the steps 1-5 as shown. What is the correct sequence of steps in transforming a rational algebraic equation into a quadratic equation?

• 1,2,3,4,5

• 2,3,1,4,5

• 3,1,2,4,5

• 1,4,3,2,5