Enrich Your Math Word Power

For each mathematical term, choose the correct meaning.


1	graph of an equation
		A)	the Cartesian coordinate system
		B)	two number lines that intersect at a right angle
		C)	the x-axis and y-axis
		D)	an illustration in the coordinate plane that shows all ordered pairs that satisfy an equation


2	x-coordinate
		A)	the first number in an ordered pair
		B)	the second number in an ordered pair
		C)	a point on the x-axis
		D)	a point where a graph crosses the x-axis


3	y-intercept
		A)	the second number in an ordered pair
		B)	a point at which a graph intersects the y-axis
		C)	any point on the y-axis
		D)	the point where the y-axis intersects the x-axis


4	coordinate plane
		A)	a matching plane
		B)	when the x-axis is coordinated with the y-axis
		C)	a plane with a rectangular coordinate system
		D)	a coordinated system for graphs


5	slope
		A)	the change in x divided by the change in y
		B)	a measure of the steepness of a line
		C)	the run divided by the rise
		D)	the slope of a line


6	slope-intercept form
		A)	y = mx + b
		B)	rise over run
		C)	the point at which a line crosses the y-axis
		D)	y - y₁ = m(x - x₁)


7	point-slope form
		A)	Ax + By = C
		B)	rise over run
		C)	y - y₁ = m(x - x₁)
		D)	the slope of a line at a single point


8	function
		A)	domain and range
		B)	a set of ordered pairs
		C)	a rule by which any allowable value of one variable determines a unique value of a second variable
		D)	a graph


9	domain
		A)	the set of first coordinates of a function
		B)	the set of second coordinates of a function
		C)	the set of real numbers
		D)	the integers


10	range
		A)	all of the possibilities
		B)	the coordinates of a function
		C)	the entire set of numbers
		D)	the set of second coordinates of a function

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