Algebra 2 quiz- 9/2/15
Three ways to write Domain and Range: Notation/Format/Pronunciation
1.) Inequality / x≥5 / x is greater than or equal to five 2.) Interval / [5,∞) / The interval from five to infinity, inclusive of five. 3.) Set / {x|x≥5} / The set of all x such that x is greater than or equal to five
(Write an Algebraic Expression) The product of 15 and a number increased by 9.
15n+9
What is domain?
Set of all possible input values (x), which produce a valid output.
What is an End Behavior?
The End Behavior of a function describes what happens to the f(x)-values as the x-values either increase towards positive infinity or decrease towards negative infinity.
(Write an Algebraic Equation) x+9
The sum of nine and a number
(Write an Algebraic Expression) Five more than twice a number.
n2+5
(Write an Algebraic Expression) Three times a number decreased by 11.
n3-11
(Solving Equations) 1/6x=4
x=24
(Solving Equations) 5x=35
x=7
(Solving Equations) 5x-6=34
x=8
(Write an Algebraic Expression) 32 divided by a number, y.
32/y
What is range?
Set of all possible output values (y), using a particular input value.
(Write an Algebraic Expression) Fourteen decreased by a number, p.
14-p
(Write an Algebraic Expression) The product of three and a number.
3n
(Write an Algebraic Equation) n/6=7 f/3
Some number divided by six is equal to seven, times a number divided by three
(Write an Algebraic Equation) y-12
The number y decreased by twelve
(Write an Algebraic Equation) 6d
The products of six and a number
(Solving Equations) 8c-10=30
c=5
(Solving Equations) 1/3g+2=14
g=36
(Solving Equations) 4y+7=11
y=1
(Write an Algebraic Equation) 9x-5
Five less than nine times a number
(Write an Algebraic Expression) The sum of nine and a number.
9+n
(Write an Algebraic Equation) 5/k+8
Five divided by a number plus eight