Week 1 Review Quiz-Quadratic Equations

Mathematics 9

Week 1 - Trial Quiz

Teacher: Suzette Mae J. Pollenza​

Quadratic Equations| August 24, 2022

QQUADRATIC EQUATIONS Mathematics 9

• Familiarize the lesson on the Introduction of Quadratic Equations.

• Read and understand the context comprehensively.

• Do not proceed to the next slide unless you master the information given to each slide.

• Do your best!

QUADRATIC EQUATIONS

​Learning Targets

QQUADRATIC EQUATIONS Mathematics 9

QQUADRATIC EQUATIONS Mathematics 9

Multiple Choice

1. What is the degree of quadratic equations?

• 1

• 2

• 3

• 4

Multiple Choice

2. What is the quadratic term of -2x²+5x=0?

• $$-2x^2$$  

• -2

• 5x

• 5

Multiple Choice

3. Which of the following quadratic equations has the numerical coefficient of -2 for its quadratic term?

• $$2x^2-2x-2=0$$  

• $$-2x^2-2x-2=0$$  

• $$2x^2+2x+2=0$$  

• -2x=0

QQUADRATIC EQUATIONS Mathematics 9

QQUADRATIC EQUATIONS Mathematics 9

Multiple Choice

4. What is the nature and number of roots of a quadratic equation if the discriminant is -2?

• 1 real, rational root

• 2 real, rational roots

• 2 real irrational roots

• No real root

Multiple Choice

5. Which of the following value of discriminants with 2 EQUAL ROOTS?

• 5

• -5

• 0

• 4

Multiple Choice

6. Which of the following is NOT true on the nature and number of roots for the discriminant 24?

• 2 real, rational roots

• 2 real, irrational roots

• 2 distinct roots

• 2 unequal roots

Multiple Choice

7. What is the nature and number of roots for the discriminant value of 13?

• 2 real, rational roots

• 2 real, irrational roots

• 1 real, rational root

• No real roots

Multiple Choice

8. Which of the following is the discriminant of the given quadratic equation?

• 3

• 13

• 15

• -13

QQUADRATIC EQUATIONS Mathematics 9

QQUADRATIC EQUATIONS Mathematics 9

​Writing Quadratic Equation given the pair of roots.

Multiple Choice

9. What is the quadratic equation if the roots are 5 and -5?

• $$x^2+25=0$$  

• $$x^2-25=0$$  

• $$x^2-5x+25=0$$  

• $$x^2+5x-25=0$$  

Multiple Choice

10. What is the quadratic equation if the roots are 4i and -4i?

• $$x^2+16=0_{ }$$  

• $$x^2-16=0$$  

• $$x^2+4x-16=0$$  

• $$x^2-16x+4=0$$  

Open Ended

Which of the following Card numbers fit to your understanding of the lesson this week?

(Just write CARD #)