Rewrite the in slope intercept form and find the intercepts.
3x-2y=12
y=3/2(x)+6
xint.=4
yint.=-6
200
Identify the pattern and find the next number in the sequence: 1, 2, 4, 8, 16, ?
X2, 32
200
Simplify sqrt(75/108)
5/6
200
This Italian food can have something from every food group
Pizza
300
Define axis of symmetry, and state the formula for finding the axis of symmetry in a quadratic function.
Axis of Symmetry: where the graph is cut in half. Creates a mirror image over the axis.
x=-b/(2a)
300
Find the zeros of the function
f(x)= x^2+2x-35
x=-7
x=5
300
What is the effect on the graph of y=(x-2)^2+7 if the -2 is changed to 5
the graph would be translated 7 units left
300
Factor x^2-36
(x-6)(x+6)
300
How can you classify a system by its number of solutions?
1 solution: Independent and consistent
No solution: inconsistent
Infinitely many solutions: Dependent and consistent
400
What is the discriminant of a quadratic and what does it represent?
b^2-4ac represents the number of solutions.
positive: 2 real solutions
zero: 1 real solution
negative: 2 imaginary solutions
400
Write a quadratic function in standard from "ax^2+bx+c" with zeros -5 and 3
f(x)=x^2+2x-15
400
an office is printing 2400 copies using two printers. If printer A prints three times as many copies as printer B. How many copies did each printer produce?
Printer A: 1800
Printer B: 600
400
Evaluate i^29
i
400
Classify the system and determine the number of solutions
5x-6y=12
-15x+18y=-24
Inconsistent, no solution
500
Define slope, and give the formula for finding the slope of a line.
slope is a ratio: rise/run it determines the steepness of the graph.
m(slope)=(Y2-Y1)/(X2-X1)
500
Find the minimum or maximum value of f(x)= -x^2-4x+8 and state domain and range
max (-2,12)
Domain: all real numbers
Range: y <=12
500
Find the absolute value of 12-3i
3sqrt(17)
500
Simplify
(-2+i)/
(3-2i)
(-8-i)/
13
500
Mr.Padgett finally got his time machine to work so he will be aging backwards as of 2014. If Mr.Padgett is 50 and you are 16 in what year will you be the same age and what age will you both be?