Quadratic Equations Quiz

Which of the following is the standard form of quadratic equation?

• ax² + bx + c < 0

• ax² + bx+c = 0

• Ax+By+C =0

• Ax+By+C < 0

In the equation 8x² - 6x-5 = 0, which of the following is constant?

• 8

• 2

• -5

• -6

Which of the following does NOT illustrate a quadratic equation?

In the quadratic equation 4(x² + 6) + 35x = 0, which of the following is the real number c?

• 4

• 6

• 24

• 36

Solve for the value of x in the quadratic equation x² - x - 2 = 0.

• 2, -1

• -2, 1

• -2, -1

• 2, 1

Which of the following is the best method in solving the quadratic equation x²=25?

• Quadratic Formula

• Factoring

• Extracting Square Root

• Completing the Square

Which of the following can be easily solved by completing the square?

• x²-36=0

• x² + 10x + 25 = 0

• 3x² - 2x-1=0

• x² + 3x + 3=0

Which of the following satisfies the equation 9x² = 16?

Which of the following best describes on how to find the constant c such that x² − 5x + c is a perfect square trinomial?

• get the square of the half of -5

• get the square of -5

• get the square of the half of -5x

• get the square of -5x

Solve for the value/s of x such that x² + 3x + 9 = 0.

• x = 3 + √15

• x = 3 + √3

• 3 < x < 4

• the value of x is not real