Grade 9

How will we know whether an equation is quadratic or not?

• If it has a degree of 2
• If it has a degree of 3
• If it has a degree of 1
• If it has a degree of 0

How do we find the degree of a two-variable equation?

• Adding the exponents of the variables

• Multiplying the exponents of the variables

• Dividing the exponents of the variables

• Subtracting the exponents of the variables

What is the standard form of quadratic equation?

• ax^2 + bx + c = 0
• ax^2 + bx = 0
• ax + b = 0
• ax^2 + c = 0

What do we call the first term of quadratic equation?

• Linear Term

• Constant Term

• Root
• Quadratic term

What do we call the middle term of quadratic equation which possess the degree of 1?

• Coefficient
• Linear term
• Quadratic term
• Constant term

What do we call the last term or c in a quadratic equation?

• Coefficient
• Constant term
• Variable
• Root

In the standard form, how do we describe a, b, and c of quadratic equation?

• a, b, and c are the coefficients of the quadratic equation which are real numbers.

• a, b, and c are the roots of the quadratic equation which are real numbers.

• a, b, and c are the solutions of the quadratic equation which are real numbers.

• a, b, and c are the variables of the quadratic equation which are real numbers.

• True

• False

Zero can be in either side of the equation?

• True

• False

The quadratic term must always be negative?

• True

• False