Show:
Questions
Responses
Print
Quadratic Formula
Solve...
Imagine This...
Writing Equations
Inequalities
100
Quadratic Formula
What is x= (-b±√(b^2-4ac))/2a?
100
x^2-16=0
What is x=±4?
100
(3+2i)(-1-6i)
What is 9-20i?
100
Given the vertex and a point
What is vertex form?
100
x^2+2x+1≤y
What is inside the parabola?
200
Discriminant
What is b^2-4ac?
200
x^2-7x+12=0
What is x=-3 or x=-4?
200
Process of removing i from the denominator.
What is to multiply by the conjugate?
200
Given three points
What is standard form?
200
y<-2x^2-x+6
What is inside the parabola?
300
Two imaginary solutions
What is b^2-4ac<0?
300
(x+3)^2-4=20
What is x=-3±2√6?
300
3i/(1+2i)
What is 6/5+3i/5?
300
h=3, k=2, and (4,4)
What is y=2(x-3)^2+2?
300
y>-x^2+x-3
What is outside the parabola?
400
Expression where a=2, b=-1, and c=7
What is 2x^2-x+7?
400
x^2+4x+2=0
What is x=-2±√2?
400
√(-48)
What is 4i√(3)?
400
Process used to write a function in standard form when given three points.
What is solving a system of three variables?
400
Process of finding the shaded region of a quadratic inequality
What is substitute a point found inside the parabola?
500
X-Intercepts of x^2+3x+1=0
What is x= (-3±√5)/2?
500
2x^2+x-3=0
What is x=-1/4±√5/2?
500
i^7
What is -i?
500
(0, -1) ; (-1, -1) ; (-2, 0)
What is y=x^2+2x?
500
y>x^2+x-4 and y≤-x^2+x+5
What is inside the parabolas?