Algebra 1 Common Core Student Edition, Grade 8-9

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Relative error (p. 146) The ratio of the absolute value of

the difference of a measured (or estimated) value and an

actual value compared to the actual value.

Error relativo (p. 146) Razon del valor absoluto de la

diferencia de un valor medido (o estimado) y un valor actual

en comparacion con el valor actual.

Example You estimated that a plant would

be 5 in. tall 3 months after it was

planted. The plant was actually

5.5 in. tall 3 months after it was

planted. The relative error is

|5 - 5.5| | 0.5| 0.5 1

5.5 5.5 5.5 '

or about 9%.

11'

Residual (p. 344) The difference between the y-value of a

data point and the corresponding y-value of a model for the

data set.

Residuo (p. 344) La diferencia entre el valor de y de un

punto y el valor de y correspondiente a ese punto en el

modelo del conjunto de datos.

Root of the equation (p. 561) A solution of an equation. Raiz de la ecuacion (p. 561) Solucion de una ecuacion.

Roster form (p. 194) A notation for listing all of the

elements in a set using set braces and commas.

Example

Lista (p. 194) Una notacion en la que se enlistan todos los

elementos en un conjunto usando Haves y commas.

The set of prime numbers less than

10, expressed in roster form, is

{2, 3, 5, 7}.

Sample (p. 754) The part of a population that is surveyed. Muestra (p. 754)

Example Let the set of all males between

the ages of 19 and 34 be the

population. A random selection of

900 males between those ages

would be a sample of the

population.

Porcion que se estudia de una poblacion.

Sample space (p. 769)

situation.

All possibl e out c omes in a Espacio m uestral (p. 769)

una ecuacion.

Todos los resultados posibles de

Example When you roll a number cube, the

sample space is {1, 2, 3, 4, 5, 6}.

Scalar (p. 727) A real number is called a scalar for certain

special uses, such as multiplying a matrix. See Scalar

multiplication.

Example 2.5

Escalar (p. 727) Un numero real se llama escalar en ciertos

casos especiales, como en la multiplication de una matriz. Ver

Scalar multiplication.

1 o' 2.5(1) 2.5(0)'

2 3_ _ 2 .5 (—2) 2.5(3)_

'2 .5 O '

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