Factoring
x2 - 1 = 0
{-1, 1}
Solve the following quadratic equation by completing the square: x2 + 6x = -8
{-4, -2}
Solve the following quadratic equation x2 = 16
{-4, 4}
What is the quadratic formula?
x =( -b pm sqrt(b^2 - 4ac)) /(2a)
53
125
Solve the following quadratic equation by factoring:
9x2 - 81x = 0
{0, 9}
Solve the following quadratic equation by completing the square: x2 - 6x = -5
{1, 5}
Solve the following quadratic equation : x2 = -16
{No solution}
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1, x = -5
Hexagon
A shape with 6 sides.
Solve the following quadratic equation by factoring.
n2 - 7n + 6=0
{6, 1}
Solve the following quadratic equation by completing the square: x2 - 2x = 24
{-4, 6}
Solve the following quadratic equation by completing the square: x2 - 2 = 23
{-5, 5}
Solve the following quadratic equation by using the quadratic formula. x2 - 9x + 6 = 0
(9 pm sqrt(57))/2
The expression inside the square root of the quadratic formula.
Discriminant
Solve the following quadratic equation by factoring.
b2 - 8b = 20
{10, -2}
Solve the following quadratic equation by completing the square: x2 + 10x +5 = 0
-5 +- 2(sqrt5)
Solve the following quadratic equation. x2 + 5 = 0
No Solutions
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
{-1/2, -4}
Coefficient
Solve the following quadratic equation by factoring.
9x2 + 5x - 24= 8x2 + -5x
{-12, 2}
Solve the following quadratic equation by completing the square:
x2 - 8x + 13 = 0
4 +-sqrt 3
Solve the following quadratic equation:
2x2 -5 = 13
x = 3, x = -3
Solve the following quadratic equation by using the quadratic formula (nearest tenth):
4x2 - 17x =-12
x = (17 pm sqrt(97))/8
The price of headphones that are originally listed as $80, but have a 35% discount.
$52