Quadratic Inequalities Quiz

What is the value of the expression b² - 4ac called?

• Extraneous Root

• Rational Roots

• Quadratic Formula

• Discriminant

What do we call a solution derived from an original equation that is not a solution of the original equation?

• Extraneous Root

• Quadratic Inequality

• Rational Root

• Irrational Root

Which of the following cannot be expressed as a quotient of integers?

• Rational Roots

• Irrational Roots

• Rational Algebraic Equations

• Quadratic Equations

What is the standard form of a quadratic equation in one variable?

• a²x + bx + c = 0

• ax + b = 0

• ax² + b = 0

• ax² + bx + c = 0

What is the formula used to find the roots of a quadratic equation?

• x = -b ± 4ac / 2a

• x = -b ± √(b² - 4ac) / 2a

• x = -b ± (b² + 4ac) / 2a

• x = b ± √(4ac - b²) / 2a

Which of the following is NOT a form of quadratic inequality?

• ax² + bx + c > 0

• ax² + b = 0

• ax² + bx + c ≤ 0

• ax² + bx + c < 0

What type of equations contain rational algebraic expressions?

• Linear Equations

• Rational Algebraic Equations

• Quadratic Equations

• Inequalities

What are roots of equations that can be expressed as a quotient of integers called?

• Irrational Roots

• Rational Roots

• Quadratic Roots

• Extraneous Roots

What are the values of the variable that make quadratic equations true called?

• Solutions or Roots

• Extraneous Roots

• Quadratic Inequalities

• Rational Roots

What are the values of the variable that make quadratic inequalities true called?

• Solutions or Roots

• Extraneous Roots

• Quadratic Solutions

• Rational Solutions