Factoring
(x+1)(x-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}
State the quadratic formula?
x =( -b pm sqrt(b^2 - 4ac)) /(2a)
simplify the radical
root(-54)
+- 3i root(6)
Solve the following quadratic equation by factoring:
9x2 - 81 = 0
{-3, 3}
Solve the following quadratic equation by completing the square: x2 - 6x = -5
{1, 5}
Solve the following quadratic equation : x2 = -16
x = +- 4i
Solve the following quadratic equation by using the quadratic formula: x2 + 6x +10 = 0
-3 +- i
simplify the following
root(-20) + root(-45)
5i root(5)
Factor the following quadratic equation by factoring.
n2 - 7n + 6=0
(n-6)(x-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
Simplify the following
(3-2i)(-5+7i)
-1 + 31i
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
+- i*root(5)
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
{-1/2, -4}
What is the standard form of a quadratic equation?
ax2 + bx + c = 0
Solve the following quadratic equation by factoring.
2x2 + 15x + 25 = 2x +5
{-4, -5/2}
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
(3-6i)(5+6i)
51