Algebra 2 quiz- 9/2/15

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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


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