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THANKYOU ( MATH VOCABULARY CHAPTER 1 )💕♥💕

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THANKYOU ( MATH VOCABULARY CHAPTER 1 )💕♥💕

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constant:
a fixed value, or a number that does not change
ثابت

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ratio:
a comparison between two values
نِسبة

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direct variation:
a proportional relationship between two variables in which one variable is obtained by multiplying the other by the constant.
تغيّر طردي

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constant of proportionality:
the constant value of the ratio of two proportional quantities x and y ; usually noted by k
ثابت التناسب

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constant of variation:
another name for the constant in a proportional relationship; also called constant of proportionality
ثابت التغيّر

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vertical change:
the change in value along the y-axis of a coordinate plane; the rise
تغيُّر رأسي

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horizontal change:
the change in value along the x-axis of a coordinate plane; the run
تغيُّر افقي

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rate of change:
The ratio between a change in one variable relative to a corresponding change in another, or the rate at which one quantity change in relation to another
معدل التغير

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slope:
the ratio of the vertical change (rise) over the horizontal change (run)
ميل

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coordinate plane:
a plane of intersecting lines, including the x-axis and y-axis, on which the location of a point may be graphed
مُستوى الإحداثيات

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linear:
a straight line when plotted on a graph
خطي

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rate of change:
The ratio between a change in one variable relative to a corresponding change in another, or the rate at which one quantity change in relation to another
معدل التغير

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constant rate of change:
when one quantity is changing consistently in relation to another quantity
ثابت معدل التغير

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extremes:
the first numerator and the second denominator when a proportion is written as equivalent fractions; the first and last terms in a proportion when it is written in the form a : b = c : d.
الطرفين

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unit rate:
comparison of two different quantities, e.g., kilometers per hour
مُعدل الوحدة

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rate:
the ratio between two related quantities of different units
مُعدل

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variable:
an unknown quantity or changing value
مُتَغَيِّر

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proportion:
a name we give to a statement that two ratios are equal
تناسب

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proportional

a way of describing two ratios that are equivalent to each other
مُتناسب

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algebra:
a type of math in which letters are substituted for unknown numbers or variables
علم الجبر

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equivalent ratios
ratios that show the same relationship between two values
نِسب مُتكافئة

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means:
the first denominator and the second numerator when a proportion is written as equivalent fractions; the second and third terms in a proportion when it is written in the form a : b = c : d.
الوسطين

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equivalent
equal; having the same value
مُتكافئ

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customary system
a system of measurement based on the yard as a unit of length, the pound as a unit of weight, and the gallon as a unit of volume
النظام العرفي

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unit ratio
a ratio that compares a quantity to 1
نسبة الوحدة

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equation:
a mathematical sentence that states two expressions are equal
معادلة

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metric system
a system of measurement based on the meter and kilogram
النظام المتري

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denominator
the number below the line in a fraction
مقام الكسر

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simplify
reduce a fraction to a simpler form by cancelling common factors
تبسيط

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ordered pair:
two values whose order matters; in graphing, two coordinates, represented as x and y, used to plot the location of a point on a coordinate plane
زوج مُرتب

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improper fraction
a fraction in which the numerator is greater than the denominator
كسر معتل

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mixed number
a number consisting of an integer and a fraction
عدد صحيح وكسر او عدد مختلط

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proportional relationship:
a relationship in which two values retain a constant ratio to one another
علاقة تناسبية

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numerator
the number above the line in a fraction
البسط

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axis:
the horizontal (x-axis) and vertical (y-axis) lines of reference on a graph
مِحور الإحداثيات

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quadrant:
one of the four regions into which the coordinate plane is divided by the x-axis and y-axis
رُبع

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origin:
the central point where the x-axis and y-axis meet on a coordinate plane
نُقطة الأصل

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reciprocal
a number that is the inverse of another number, so that the product is 1 (also called multiplicative inverse)
مقلوب العدد

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complex fraction
a fraction with a fraction in the numerator or denominator or both
الكسور المركبة

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unit rates
comparison of two different quantities where the denominator has to be 1
معدل الوحدة

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rate
a ratio of two related quantities with different units
مُعدّل

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ratio

a comparison between two values using division
نِسبة

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coordinate plane:
a plane of intersecting lines, including the x-axis and y-axis, on which the location of a point may be graphed

مُستوى الإحداثيات