Vertex
What is the vertex?
x^2 -6x +8 = 0
(3,-1)
Solve the following quadratic equation by factoring:
x2 - 4 = 0
x=-2 x=2
Solve the following quadratic equation x2 = 16
X = 4
What is the quadratic formula?
x = -b +- sqrt(b2 - 4ac) /(2a)
What is one way to find x intercepts on a graph??
Completing the Square
factoring
Quadratic Formula
What is the vertex to the following quadratic?
-x^2 +5x = 21
(2.5, -14.75)
Solve the following quadratic equation by factoring:
x^2+11x+30=0
(x+5)(x+6)
Solve the following quadratic equation : x2 = -16
{No solution, can not take the square root of a negative}
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1, x = -5
What is inside of the square root in the quadratic formula?
b2-4ac
What is the vertex to the following quadratic
n2 - 7n + 6=0
(3.5, -6.25)
What are the solutions for the following quadratic?
X^2 -17x +36 = 0
X = 2.48
X = 14.52
Solve the following quadratic equation by completing the square: x2 - 2 = 23
X=5
Solve the following quadratic equation by using the quadratic formula. Round your answer to the nearest hundredth: x2 - 9x + 6 = 0
X = 0.72
X = 8.27
What is the formula to find the axis of symmetry?
-b/2a
What is the vertex to the following quadratic?
b2 - 8b = 20
(4, -36)
Solve the following quadratic equation by factoring:
5n2 + 41n - 12 = -4 + 2n
X = 0.2
X = -8
Solve the following quadratic equation. Round your answers to the nearest hundredth: x2 + 5 = 0
X = 2.24
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
X = -1/2
X = -4
What is the standard form of a quadratic equation?
ax2 + bx + c = 0
What is the vertex of the following quadratic?
9x2 + 5x - 24= 8x2 + -5x
(-5, -49)
Solve the following quadratic equation by factoring:
-2m2 - 60m +72 = -8m2 - 3m
X = 8
X = 1.5
Solve the following quadratic equation:
2x2 -5 = 13
X = 3
Solve the following quadratic equation by using the quadratic formula (nearest tenth):
4x2 - 17x =-12
X = 0.9
X = 3.4
Gives us 2 solutions