Factoring
Use the Zero Product Property to solve the following quadratic equation.
(x - 7)(x + 2) = 0
x = 7 x = -2 or x = { 7, -2}
or
x = { 7, -2}
Solve the following quadratic equation by square root method.
x^2-9=0
x=3; -3
Solve the following quadratic equation by using the completing squares method.
x^2+4x-7=0
-2+-sqrt11
What is the quadratic formula?
x = (-b +- sqrt(b^2 - 4ac) )/(2a)
Find the best method for solving the quadratic equation below:
x^2+6x+9 = 0
Factoring
Use the Zero Product Property to solve the following quadratic equation.
(3x - 7)(5x + 2) = 0
x = 7/3 x = -2/5 or x = { 7/3, -2/5}
Solve the following quadratic equation by square root method.
x^2+4=0
x=2i; -2i
Solve the following quadratic equation by using the completing squares method.
x^2+4x=3
x=-2+-sqrt7
Identify a, b and c in the following equation:
x^2-2x=35
a = 1; b = -2; c = -35
Find the best method for solving the quadratic equation below:
x^2- 4 = 0
Factoring
or
Square Roots
Solve the following quadratic equation by factoring.
x^2 -6x+5=0
x = 5 x = 1
Solve the following quadratic equation by square root method.
(x-5)^2-7=0
5+-sqrt7
Solve the following quadratic equation by using the completing squares method.
x^2+6x=3
x=-3+-2sqrt3
Solve the following quadratic equation by using the quadratic formula:
2x^2 + 9x + 4 = 0
x=-1/2; x=-4
Find the best method for solving the quadratic equation below:
x^2-8x+5 = 0
Completing the Squares Method
Solve the following quadratic equation by factoring.
2x^2 - 5x - 3 = 0
x = -1/2 x = 3
Solve the following quadratic equation by square root method.
(2x-7)^2+9=0
x=(7+-3i)/2
Solve the following quadratic equation by using the completing squares method.
x^2+10x+35=0
x=-5+-isqrt10
Solve the following quadratic equation by using the quadratic formula:
4x^2 - 17x - 15 = 0
x = 5 x = -3/4
Find the best method for solving the quadratic equation below:
5x^2+2x-2 = 0
Quadratic Formula