Keystone Algebra 1
Vocabulary Review KEY
Ordered Pair
Function
Domain
Range
(x , y)
X is used
only 1 time
X Values
{(2, 5), (3, -4), (-7, 9)}
Y Values
{(2, 5), (3, -4), (-7, 9)}
{(2, 5), (3, -4), (-7, 9)}
{ 2, 3, -7 }
{5, -4 ,9 }
Integers
Rational Number
Irrational Number
X
y
Whole Number
0, 1, 2, 3, 4, 5, …
No Negatives
No Fractions
No Decimals
…-2, -1, 0, 1, 2, 3, …
No Fractions
No Decimals
Complex Number
π
√2
Whole Number
Integers
Fractions
Decimals
Non-perfect squares
Linear Equations
Real Numbers
Zeros of a Function
Any answer with
an i
Any equation that
represents the graph
of a line.
Whole Numbers
Integers
Rational
Irrational
Solutions;
Where a graph
crosses the x axis.
Slope
X – Intercept
Radical
Y – Intercept
Crosses X axis
Rise
Run
radical
ordered pair
rational number
domain
integers
To Find X - Intercept
Let y = 0
and Solve for x.
under the √
Crosses Y axis
√2
To Find Y - Intercept
Let x = 0
and Solve for y
Vocabulary (Word Bank)
Write the words listed below in the appropriate box above.
function
whole number
irrational number
positive correlation
slope
direct variation
x-intercept
inverse variation
linear equations
complex number
zeros of a function
y-intercept
range
negative correlation
real numbers
Name_______________________
Keystone Algebra 1
Vocabulary Review
Period ________
X is used
only 1 time
example:
{(2, 5), (3, -4), (-7, 9)}
X Values
{(2, 5), (3, -4), (-7, 9)}
Y Values
{(2, 5), (3, -4), (-7, 9)}
{ 2, 3, -7 }
{5, -4 ,9 }
0, 1, 2, 3, 4, 5, …
No Negatives
No Fractions
No Decimals
…-2, -1, 0, 1, 2, 3, …
No Fractions
No Decimals
Whole Number
Integers
Fractions
Decimals
Any answer with
an i
Any equation that
represents the graph
of a line.
(x , y)
X
y
π
√2
Non-perfect squares
under the √
Whole Numbers
Integers
Rational
Irrational
Solutions;
Where a graph
crosses the x axis.
Crosses X axis
Rise
Run
To Find X - Intercept
Let y = 0
and Solve for x.
Crosses Y axis
√2
To Find Y - Intercept
Let x = 0
and Solve for y
Vocabulary (Word Bank)
Write the words listed below in the appropriate box above.
radical
ordered pair
rational number
domain
integers
function
positive correlation
x-intercept
complex number
range
whole number
slope
inverse variation
zeros of a function
negative correlation
irrational number
direct variation
linear equations
y-intercept
real numbers