Quadratic Equation

It is a polynomial equation of degree two that can be written in the form ax² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0?

• Linear Equation

• Linear Inequality

• Quadratic Equation

• Quadratic Inequality

Tags

CCSS.8.EE.C.7B

In the quadratic equation 3𝑥² + 7𝑥 − 4 = 0, which is the quadratic term?

• x²

• 7x

• 3x²

• -4

What method was used to determine the roots of the quadratic equation ?

• extracting square root

• factoring

• completing the square

• using quadratic formula

Tags

CCSS.HSA-REI.B.4B

Which is the discriminant in the quadratic formula?

• b² - 4ac

• b - 4ac

Tags

CCSS.HSA-REI.B.4B

The factors (x+1) (x+8), are factors of which quadratic equation below?

• x² – 9x +8 = 0

• x² + 9x +8 = 0

• x² – 8x +9 = 0

• x² +8x +9 = 0

Tags

CCSS.HSA-REI.B.4B

Which of the following is corresponding square of a binomial of the perfect square trinomial in number 6?

Tags

CCSS.HSA.APR.C.4

Tags

CCSS.HSA-REI.B.4B

Which are the factors of 3x² + 4x – 5 = 0?

• (3x – 1)(x+5)

• (3x + 1)(x-5)

• (3x – 1)(x- 5)

• (3x +1)(x+5)

Tags

CCSS.HSA-REI.B.4B

What is the solution of the equation 16x² – 144 = 0?

• 4

• 3

• 2

• 1

Tags

CCSS.HSA-REI.B.4B

Which of the following is a quadratic equation?

• 2𝑟² + 4𝑟 − 1

• 3𝑡 − 7 = 12

• s² + 5𝑠 − 14 = 0