Review: Solving Quadratics (Day 1 of 3)

By Factoring

Factoring: +/- of Squares

Radicals w/Real #'s

Radicals w/ Imaginary #'s

Using the Q.F.

100

Solve the equation by factoring. SHOW ALL WORK.

x² − 9x + 18 = 0

x = 3, x = 6

100

Factor the expression as the multiplication of two binonmials.

4n² −49

(2n+7)(2n−7)

100

Simplify "radical 20".

2 radical 5

100

Simplify "radical negative 4".

100

Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.

v² + 2v − 8 = 0

2, -4

200

Solve the equation by factoring. SHOW ALL WORK.

x² = 11x − 28

x = 7, x = 4

200

Factor the expression as the multiplication of two binonmials.

x² −9y²

(x + 3y)(x − 3y)

200

Simplify "radical 45".

3 radical 5

200

Simplify "radical negative 63".

3i radical 7

200

Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.

b² − 4b − 14 = −2

6, -2

300

Solve the equation by factoring. SHOW ALL WORK.

x² + 17x + 49 = 3x

x = -7

300

Factor the expression as the multiplication of two binonmials.

9x² −1

(3x+1)(3x−1)

300

Simplify "radical 72".

6 radical 2

300

Simplify "radical negative 50".

5i radical 2

300

Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.

x² - 6x + 12 = 0

3 plus or minus i radical 3

400

Solve the equation by factoring. SHOW ALL WORK.

k² + 15k = −56

x = -8, x = -7

400

Factor the expression as the multiplication of two binonmials.

49x² − 25y²

(7x+5y)(7x−5y)

400

Simplify "radical 108".

6 radical 3

400

Simplify "radical negative 128".

8i radical 2

400

Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.

9x²- 4x + 2 = 0

2 plus or minus i radical 14 ALL over 9

500

Solve the equation by factoring. SHOW ALL WORK.

6k² − 42k + 72 = 0

x = 3, x = 4

500

Factor the expression as the multiplication of two binonmials.

54v² − 6u²

6(3v+u)(3v−u)

500

Simplify "radical 150".

5 radical 6

500

Simplify "radical negative 343".

7i radical 7

500

Solve for all possible values of the variable using the Quadratic Formula. SHOW ALL WORK.

10x² - 4x + 10 = 0

1 plus or minus 2i radical 6 ALL over 5