Summative Test_Q1-Q4_2024-2025

What is the value of 𝒉 when writing the quadratic function 𝑦 = 𝑥² + 10𝑥 + 21 in vertex form?

                                                                                                                               

• – 5

•   – 20

• – 10

•   – 25

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

                                                                                                                                                          

• 0

• 1

• 2 

• 3

Which of the following statement is FALSE?

               

               

               

               

• The diagonals of a rectangle are congruent.

• The diagonals of an isosceles trapezoid are congruent.

• The diagonals of a square are perpendicular and bisect each other.

• The diagonals of a rhombus are congruent and perpendicular to each other.

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 kind of angles creates perpendicular lines?

                                                        

•   vertical angles

•   acute angles

• obtuse angles

• right angles

What would be the value of 𝑏 if the rectangle PALE has diagonals 𝐴𝐸 = 8𝑏 − 6 and 𝑃𝐿 = 4𝑏 + 10 ?

                                                         

                                                           

•   12

• 10

•   6

•   4

Find the roots of x² + 3x – 10 = 0.

                                                                                 

• x₁ = 2, x₂ = 5   

• x₁ = -2, x₂ = 5 

• x₁ = -2, x₂ = -5    

• x₁ = 2, x₂ = -5

Which of the following represents the value inside the radical that are mostly composed of numbers and variables with corresponding exponents attached to it that will be factored out in the process of simplifying radical expression?

                                                                                            

• exponent         

• index       

• radicand

• radical

What is a segment that connects any two nonconsecutive vertices?

                                                                                                                       

• extreme

• diagonal

• bisector

• angle bisector

The diagonals of an isosceles trapezoid are represented by 2x+5 and x+15. What is the value of x?

                                                                                                                                                                     

• 10

• 15   

• 20  

• 25