Grade 9 Periodical Test (Review)

Which of the following is a quadratic equation?

The general form of a quadratic equation is: A. ax³ + bx + c = 0 B. ax² + bx + c = 0 C. ax + b = 0 D. x³ + bx + c = 0

In 4x² - 7x + 2 = 0, the value of a is?

• -7

• 4

• 2

• 0

Which equation has a = 1, b = -4, c = 3?

Which of the following is not a quadratic equation?

What is the degree of a quadratic equation?

• 1

• 2

• 3

• 4

Which is the standard form of a quadratic equation?

In x² + 4x - 8 = 0, the value of c is:

• -8

• 4

• 1

• 0

Which is a quadratic equation in a factored form?

Which is not quadratic?