Algebra 2 - Quadratic Equations & Factoring Exam

Which of the following is a characteristic of a quadratic equation?

• It has a degree of 3

• It has a degree of 0

• It has a degree of 2

• It has no degree

Which of the following represents a quadratic equation?

• 2x + 3 = 0

• y = 4x + 1

• x³ - 2x + 1 = 0

• 3x² + 6x - 9 = 0

Find the coefficients
a, b, and c for
the quadratic equation: 
5x² + 10x = -2

• A.

  a = 5, b = 10, c = -2

• B.

  a = 5, b = 10, c = 2

• C.

  a = 5, b = -10, c = -2

• D.

  a = 5, b = -10, c = 2

What value of c would make this a perfect square trinomial?
x² - 10x + c

• A. 25

• B. 5

• C. 100

• D. - 25

Which is the correct quadratic formula?

• 
• 
• 
• 

What is the first step in applying the quadratic formula to find the roots of a quadratic equation?

• Determine the coefficients A, B, and C

• Substitute A, B, and C into the quadratic formula

Solve using any form of factoring or Quadratic Formula

x² + 8x + 16 = 0

• x = −4, 4

• x = −4

• x = 4

• No Solution

Solve using the Quadratic Formula:

2x² − x − 3 = 0

• $x=-\frac{3}{2},\ 1$

• $x=\frac{3}{2},\ -1$

• $x=-\frac{3}{2},\ -1$

• $x=\frac{3}{2},\ 1$

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Find two numbers which add to make 6 and multiply to make -13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.