Summative Test_Q1-Q4_2024-2025

What is the value discriminant of x² – 8x + 16 = 0?

                                                                                                                                                          

• 0

• 1

• 2 

• 3

If the value of the discriminant is a positive but not a perfect square number, what is the nature of the roots

           of the quadratic equation?

                                                               

• rational, not equal

•  irrational, not equal     

• real, equal  

• imaginary

What is the equivalent of the sum of the roots of a quadratic equation?

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• 
• 
• 

If the value of the discriminant is a positive but a perfect square number, what is the nature of the roots

      of the quadratic equation?

                                                                  

• rational, not equal   

• irrational, not equal 

• real, equal   

• imaginary

What is the equivalent of the product of the roots of the quadratic equations?

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• 
• 
• 

From the quadratic equation 2x² + 5x + 7 = 0, what is the sum of the roots?

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• 
• 
• 

Solve the product of the of 9x² = -3x + 5.

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• 
• 

Find the roots of x² – 6x + 8 = 0.

                                                                                     

• x₁ = 4, x₂ = -2 

• x₁ = -4, x₂ = 2

• x₁ = 4, x₂ = 2  

• x₁ = -4, x₂ = -2

Find the roots of x² + 3x – 10 = 0.

                                                                                 

• x₁ = 2, x₂ = 5   

• x₁ = -2, x₂ = 5 

• x₁ = -2, x₂ = -5    

• x₁ = 2, x₂ = -5

Find the discriminant and determine the nature of the roots of x² + 5x + 3 = 0.

                                                                                  

                                                                 

• D = 13; irrational, not equal  

• D = 13; rational, not equal

• D = 37; irrational, not equal        

• D = 37; irrational, not equal