Synchrounous Class (09/04)

Which of the following is NOT an example of quadratic equation?

•  x(x+1)-25=0

• x=x+24x-6

• x²+2x=6

• (x+6)(x-2)=0

Simplify the expression: 4x²+7+3x+x²-4x-2.

What is the value of a, b and c?

• 5, -1, and 1, respectively

• 4, 3, and 7, respectively

• 3, -1, and 5, respectively

• -1, 4, and 2, respectively

What way of solving can be used in this quadratic equation: x²+49=0

• Completing the square

• Difference of two squares

• Extracting square roots

• Perfect square trinomial

What way of solving can be used in this quadratic equation: x²+4x-8=0

• Completing the square

• Difference of two squares

• Extracting square roots

• Perfect square trinomial

What way of solving can be used in this quadratic equation: x²-12x+36=0

• Completing the square

• Difference of two squares

• Extracting square roots

• Perfect square trinomial

What way of solving can be used in this quadratic equation: x²=49

• Completing the square

• Difference of two squares

• Extracting square roots

• Perfect square trinomial

Which of the following is an example of a general trinomial?

• x²-36=0

• x²+8x+15=0

• x²-14x+49=0

• x²+1=0

Bonus:

Where did they saw and apprehended Alice Guo?

• Philippines

• Indonesia

• Korea

• China

Bonus:

What is the name of the typhoon present in the Philippines today?

• Enteng

• Erik

• Eya

• Elijah

Bonus:

What is the theme of Buwan ng Wika this year?

• Filipino: Wikang Mapagpalaya

• Mapagpala: Wikang Filipino

• Wikang Filipino: Wikang Pinagpala

• Wikang Matapat: Wikang Filipino