Summative Test_Q1-Q4_2024-2025

Front

Value of discriminant of x² – 8x + 16 = 0?

Back

0

Front

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?

Back

irrational, not equal

Front

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? Options: rational, not equal; irrational, not equal; real, equal; imaginary

Back

rational, not equal

Front

Find the roots of x² – 6x + 8 = 0.

Back

x₁ = 4, x₂ = 2

Front

Find the roots of x² + 3x – 10 = 0.

Back

x₁ = 2, x₂ = -5

Front

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

Back

D = 13; irrational, not equal

Front

Vertex form of the quadratic function 𝑦 = 𝑥² − 8𝑥 + 6?

Back

𝑦 = (𝑥 − 4)² − 10

Front

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

Back

– 5

Front

What is the vertex of the quadratic function 𝑦 = 3(𝑥 + 6)² − 25?

Back

𝑉 (−6,25)

Front

What should be the 3rd term of this quadratic function 𝑦 = 2𝑥² + 8𝑥 to make it a perfect square trinomial?

Back

16