Random Trivia
X/3= (2x+3)/7
X=9
Y=-3x+4
x+4y=-6
x=4, y=-8
Find center and radius
(X-2)^2 + y^2=36
(2,0), r=6
If a linear equation has one similar solution with a quadratic equation, where are they intersecting?
vertex
3(2y+4)=8y
Y=6
(5/x) -(3/x+4)=2
X=-5, x=2
What’s the shape
x^2/16 + y^2/4=1
Ellipse
How do you find the x coordinate of a vertex
-b/2a
8x+3x+4x=6x+63
7
y=(x^2 -36)/(x^2-8x+15)
X=3, x=5
Whats the conic
-4x^2+15y^2+343=0
Hyperbola
what's the probability of getting a king in a standard deck of card?
4/52
13-2(2x+1)=1
X=5/2
Find the domain
f(x)=2x-4
All real numbers
find the vertex
y=3x^2 -6x+1
(1,-2)
A group of ferrets is called what?
A business
Carol is three times older than Andrew. Brad is two years older than Andrew. In six years. The sum of Andrew’s and Brad’s ages will be the same as carol’s age. How old is Carol?
24 years old
Simplify
(x^2+x-12)/(x^2-6x+9)
(X+4)/(x-3)
f(x)=2x^2 -2
g(x)= 5x
find f(x)/g(x)
(2x/5) - (2/5x)
What former US president founded the University of Virginia?
Thomas Jefferson