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 = 0
{-4, 4}
What is the quadratic formula?
x =( -b pm sqrt(b^2 - 4ac)) /(2a)
What is the domain of any quadratic function?
All real numbers
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}
What is the slope of the line that passes through the points (5, 7) and (-10, 13)?
-0.4
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1, x = -5
What is the vertex of y=-3x2-24x-42
(-4, 6)
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}
What is the 27th term of the sequence?
12, 7, 2, -3,...
-118
Solve the following quadratic equation by using the quadratic formula. x2 - 9x + 6 = 0
(9 pm sqrt(57))/2
What is the equation of the axis of symmetry of y=-2x2+8x-5
x=2
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)
What is the value of a car, to the nearest hundredth, that was purchased 5 years ago for $45,500 and depreciates in value by 6.5% each year?
$32513.93
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
{-1/2, -4}
What point is the y-intercept of the equation y=x2-8x+5
(0, 5)
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
What is the sum of 2-/27 and 4-/12
14-/3
Solve the following quadratic equation by using the quadratic formula (nearest tenth):
4x2 - 17x =-12
x = (17 pm sqrt(97))/8
A rocket is shot through the air with the height, in feet, given by the equation y=-4x2+20x. What is the maximum height reached by the rocket?
25 feet