the closer it is to 1 or -1 the closer our data is to making a straight line (Strong Correlation)

Standard deviation TabLists and Spreadsheets - Menu 4: 1: 1 Sx:= for a sample(some) or

Inter Quartile Range TabQ3 - Q1

σx:= for a population (everyone)

Strong Correlation Tabcorrelation coefficient (r) is closer to -1 or 1

-Look for where the graphs intersect. --State the x values

This will make it so you can factor the left into

Multiply: (x-5)(x+5) Tabx²-25

function Tabeach x has exactly one y OR

Whole Numbers Tab0 + counting numbers {0,1,2,3....}

Multiply: (4x-3)(4x+3) Tab16x²-9

System of Linear Inequalities TabSolution is the Overlap shaded. NOT on the dotted line.

What does a Box-Plot Show us? TabMin, Q1, Median, Q3, Max

Runs through the vertex of a quadratic

Solve: (x-5)(x+3)=0 Tabx=5, -3

useful for complete the square!

Solve: (x+5)(x+3) = 0 Tabx= -5, -3

Solution to a System of Equations TabIntersection point.

(2x-5)(x-1)=0 Tabx=5/2 and 1

quadratic TabWill look like a parabola!

w/ vertex at (-4,-27) or Solve by taking the square root of each side.

What does f(x+h) do to f(x) TabLEFT h units

(5x-2)(x-1)=0 Tabx=2/5 and 1

If you are given a table, then look for repeated multiplication!

or when a value is subbed in, they will be =

...meaning: when graphed they will be the same.

What should you write when you see Round to nearest 100th Tab100 → . _ _

Coefficient Taba number which multiplies a variable

Irrational Numbers TabA real number that can be written as a nonrepeating or nonterminating decimal.

What should you write when you see Round to nearest 1000th Tab1000 → . _ _ _

This will make it so you can factor the left into

Vertex TabTurning point of a parabola!

What does f(x-h) do to f(x) TabRIGHT h units

or when a value is subbed in, they will be =

Explain the exponential function: y=4.5(.87)^x Tab

standard form Tabexponents are written in decreasing order:

What does f(x+h) do to f(x) TabLEFT h units

Inter Quartile Range TabQ3 - Q1

Average rate of change TabSame as SLOPE

What does f(x)+h do to f(x)? TabUP h units

DOTTED TabWhen graphing y<2x+1 should you draw a solid or dotted line?

and CLOSED circles for ≤ or≥

solutions TabGraphically: x-intercepts

What does f(x)-h do to f(x)? TabDOWN h units

quadratic TabWill look like a parabola!

function Tabeach x has exactly one y OR

don't forget to put % if needed**

each INPUT has exactly one OUTPUT

w/ vertex at (-4,-27) or Solve by taking the square root of each side.

Can't have repeated x values

{... -3, -2, -1, 0, 1, 2, 3 ...}

(x-5)²=24 TabSquare root both sides, DON'T FORGET THE PLUS OR MINUS

rational number TabAny Whole number or Decimal or Fraction

Rational Numbers TabAll integers, fractions, repeating decimals and terminating decimals

standard form Tabexponents are written in decreasing order:

What should you write when you see Round to nearest 100th Tab100 → . _ _

can be written as a fraction of two integers (root word ratio).

Average rate of change TabSame as SLOPE

integers TabPOSITIVE AND NEGATIVE whole numbers

irrational number TabNOT RATIONAL (can't be written as a fraction) no repeated pattern, never ending decimal

Inter Quartile Range TabQ3 - Q1

useful for complete the square!

How do you graph a PIECEWISE FUNCTION?! TabPress the Button Next to the 9 on the calculator.

**Usually produced when you are finding the square root of a non perfect square

irrational number TabNOT RATIONAL (can't be written as a fraction) no repeated pattern, never ending decimal

roots Tabthe same as x intercepts, zeros, solutions. set f(x)=0

don't forget to put % if needed**

System of Equations Taba collection of two equation where the solution is the point where the equations intersect

domain Tabx values (input)

Whole Numbers TabCounting numbers starting from 0

Mean Tab"average" - not the best measure of center if you have an outlier

Farthest left to farthest right

The calculator can compute this - Type data in lists and spreadsheets, menu 4-1-1

Lowest low to highest high

Median TabMiddle value of a data set - best measure of center if you have an outlier

Coefficient Taba number which multiplies a variable

What does f(x)+h do to f(x)? TabUP h units

arithmetic sequence TabADDING (or subtracting) the same value each time (linear). EQUAL DIFFERENCES

You can solve algebraically by elimination or substitution

...meaning: when graphed they will be the same.

geometric sequence TabMultiplying (or dividing) by the same value each time (exponential). EQUAL FACTORS

integers TabPOSITIVE AND NEGATIVE whole numbers

axis of symmetry TabAlways x = #

Roots Tabx-intercepts or zeros of a quadratic equation

roots Tabthe same as x intercepts, zeros, solutions. set f(x)=0

What does f(x-h) do to f(x) TabRIGHT h units

Runs through the vertex of a quadratic

Expression Tabno = sign necessary

It is DIRECTLY between the two x intercepts of a Quadratic Equation.

Y≥8X-7. Solid or Dotted line? TabSOLID!

Runs through the vertex of a quadratic

standard form Tabexponents are written in decreasing order:

function Tabeach x has exactly one y OR

Quadratic Function Taban equation who graph is a parabola

leading coefficient Tabthe NUMBER attached to the variable with the largest exponent

Non Ex: 5x³+10x⁵+6

This will make it so you can rewrite as

{... -3, -2, -1, 0, 1, 2, 3 ...}

leading coefficient Tabthe NUMBER attached to the variable with the largest exponent

EXPLAIN TabWRITE a few sentences to illustrate how you got your answer (the more clear the better)

Runs through the vertex of a quadratic

What should you write when you see Round to nearest 100th Tab100 → . _ _

Absolute Value Function Taban equation who graph is v shaped

f(#) TabSub the # into "x" in the equation.

"Where does f(x)=g(x)?", what should you do? Tab-Graph both f(x) and g(x)

What is the next step to solve this equation:

-Look for where the graphs intersect. --State the x values

Consecutive EVEN or ODD integer set up Tabx = first

What should you write when you see Round to nearest 100th Tab100 → . _ _

Roots Tabx-intercepts or zeros of a quadratic equation

Algebra vocab review

Authored by Megan Caputo

Mathematics

9th Grade

CCSS covered

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194 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Product TabMultiply

DIFFERENCE OF PERFECT SQUARES!! MY FAVE!

Algebraically: set f(x) = 0 and solve!!!

Coordinates Tabmust write an ordered pair:

Product TabMultiply

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.APR.B.3

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sum TabAdd

Perfect square trinomial Tabx²+6x+9 = (x+3)² or

Axis of Symmetry Taba vertical line that cuts the parabola down the middle. x =

If you see:

Sum TabAdd

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Difference TabSubtract

x+1 = 2nd

Difference TabSubtract

Explain what 240 and 1.023 means in context Tab240 - how many covers were initially in the field

Tags

CCSS.HSA.SSE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A is subtracted from B TabB - A

When completing the square, what number goes in the blank(s)?

*b = starting point (y-intercept)

Solve:

A is subtracted from B TabB - A

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Linear Regression Equation TabType your data into Lists and Spreadsheets - Menu - 4: 1: 3

b = rate of change

Linear function Taby = mx +b

NICE numbers (can be + or -)

Linear Regression Equation TabType your data into Lists and Spreadsheets - Menu - 4: 1: 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.C.7

CCSS.HSS.ID.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MOde TabMOst frequent data value

Axis of Symmetry Taba vertical line that cuts the parabola down the middle. x =

Correlation coefficient TabThe "r" value from a Linear Regression. Always between -1 and 1

Expression Tabone or a group of terms and maybe include variables, constants and grouping symbols.

Tags

CCSS.HSS.ID.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Correlation Coefficient Tabr (what does a pirate say?)

Perfect square trinomial Tabx²+6x+9 = (x+3)² or

Equation Taba mathematical statement containing an equal sign

Correlation Coefficient Tabr (what does a pirate say?)

x+1 = 2nd

Tags

CCSS.HSS.ID.C.8

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