Quadratic Equation and Their Intro

Which of the following is NOT an example of quadratic equations?

• 2x² - 3 = 2x

• -8x - 15 = -x²

• x + 3y = 45

• x² + 7x + 10 = 0

Which of the following is in the standard form?

• y² - 7y + 12 = 0

• x³ - x² + 3x -8 = 0

• x² +9x = 34

• y² - 10 = -3y

Which is a quadratic equation is written in its general form?

In the quadratic equation 2x² – 9x – 5 = 0, which is the linear term?

• 2x²

• x²

• – 9x

• a. – 5

In the quadratic equation 2x² – 9x – 5 = 0, which is the constant term?

• 2x²

• x²

• – 9x

• – 5

In the quadratic equation 2x² – 9x – 5 = 0, which is the quadratic term?

• 2x²

• x²

• – 9x

• – 5

The solutions of the quadratic equation 
x²+5x+6=0 are

• x= -3 or x = -2

• x = -6 or x = 1

• x = 3 or x = 2

• x = -3 or x = 2

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6

• x = -5/2, x =5

• x = -3/7, x =6

• x = -5/2, x = 7

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3

• x = 6 and x = -2

• x = -1 and x = -3

Tags

CCSS.HSA-REI.B.4B