Formulas
What is the formula to find the slope of a line?
M=(y2 +y1)/(x2+x1)
What type(shape) of graph will a quadratic equations make?
Parabola
State why y=7x/(x-1) is or is not a function
NO a Function cannot have a variable in its denominator
What is sample space in probibality?
the set of all possible outcomes
State why 3x2-5 is or is not linear
NO because linear equations must have variable to the 1st power
What is the midpoint formula?
M=((x+x/2,(y+y)/2)
What is the standard form of a quadratic equation
f(x)=Ax^2+Bx+c
What are the solutions for abs(x+8)=12
{4,-20}
What are the most commonly used measures of central tendency?
Mean, mode, and median
What is the standard form of a line?
Ax+By=C where a^0 and A and B can not both be zero
What is the formula to find the axis of symmetry of a parabola?
X=-b/2a
Will the equation -4x2+12x+18 have a minimum or maximum? Double Jeprody: Name the minimum or maximum
Maximum at x=1.5 y=27
Find the inverse of f(x)=2x-5
f-1(x)=(x+5)/2
What is the probability of rolling a 3 on a 6 sided die and then rolling a 5.
1/36
What are the x and y intercepts for the linear function 3x+12y=24
(8,0) and (0,2)
What is the Quadratic Formula?
(-b+or- sqrt(b2-4ac))/2a
What are the solutions for the quadratic equation x2+4x-45
x=5 y=-9
Find f(-3) for f(x)=(-4x-7)/(x+72)
5/46
What is the value of 10!
3,628,800
What is the point slope form of a linear function?
y2-y1=m(x2-x1)
What is the Pythagorean Theorem without using a, b, or c?
L2+L2=H2 or similar
What is the vertex of f(x)=3x2-12x+6
(2,-6)
Find g(h(-2)) for g(x)=3x-5 and h(x)=2x3+7
-32
How many outfit combinations does Sally have if she has 3 skirts, 6 shirts, and 4 pairs of shoes?
72
What is the equation in slope intercept form for the the line that has points (-2,7) and (3,-3)
y=-2x+3