Linear Equations, Inequalities, and Functions
FUNCTION
Do the following points represent a function or a relation? (-1, 0) (0, 1) (1, 6) (2, 2)
FUNCTION
Do the following points represent a function or a relation? (-3, 0) (-1, 2) (0, 2) (2, 3)
RELATION
Do the following points represent a function or a relation? (-5, 3) (-5, 2) (3, 7) (3, 8)
RELATION
Do the following points represent a function or a relation? (0, 1) (0, -1) (2, 3) (-2, 3)
FUNCTION
Do the following points represent a function or a relation? (1, 2) (3, 4) (4, 5) (5, 2)
RELATION
Do the following points represent a function or a relation? (1, 3) (2, 4) (2, 5) (3, 9)
FUNCTION
Does the following mapping represent a function or a relation?
RELATION
Does the following mapping represent a function or a relation?
FUNCTION
Does the graph represent a function or a relation?
RELATION
Does the graph represent a function or a relation?
{-1, 1, 3}
Find the domain of the following: (-1, -5), (1, 2), (3, 4), (1, -7)
{-2, -1, 2, 3}
Find the domain of the following: (-2, -2), (-1, 0), (2, 6), (3, 8)
{-7, -5, 2, 4}
Find the range of the following: (-1, -5), (1, 2), (3, 4), (1, -7)
{-2, 0, 6, 8}
Find the range of the following: (-2, -2), (-1, 0), (2, 6), (3, 8)
2/3
Find the slope of the line passing through the given points: (-2, -1) and (4, 3)
undefined
Find the slope of the line passing through the given points: (1, -5) and (1, 2)
-5/2
Find the slope of the line passing through the given points: (5, -3) and (1, 7)
0
Find the slope of the line passing through the given points: (6, 2) and (-8, 2)
y-intercept
In y = mx + b what does the b stand for?
Slope
In y = mx + b what does the m stand for?
They are points on the line
In y = mx + b what does the x and y stand for?
Function
Is the relation a function? (-2, -2), (-1, 0), (2, 6), (3, 8)
Negative
Is this slope positive or negative?
Positive
Is this slope positive or negative?
solution
Tell whether the ordered pair is a solution of the inequality. -y ≤ 5x, (0, 1)
not a solution
Tell whether the ordered pair is a solution of the inequality. 3x - 4y < -8, (-2, 0)
solution
Tell whether the ordered pair is a solution of the inequality. y > -3x - 7, (-4, 6)
x < 5
What is the equation of the graph?
x > 5
What is the equation of the graph?
y < -x +5
What is the equation of the graph?
y < 2x +3
What is the equation of the graph?
y < 5
What is the equation of the graph?
y = -2 + 4x
What is the equation of the graph?
y = -4 - ½x
What is the equation of the graph?
y = -4x + 2
What is the equation of the graph?
y = 2x - 4
What is the equation of the graph?
y = ½x + 2
What is the equation of the graph?
y > -x +5
What is the equation of the graph?
y > 2x + 3
What is the equation of the graph?
y > 5
What is the equation of the graph?
y ≤ -x + 5
What is the equation of the graph?
y ≥ x
What is the equation of the graph?
− y ≤ x − 2
What is the equation of the graph?
− y ≤ − x + 2
What is the equation of the graph?
-10
What is the slope in y = 2 - 10x
-1
What is the slope of the equation y = -x - 14
0
What is the slope of this graph?
-1/3
What is the slope of this line?
-3
What is the slope of this line?
if any vertical line crosses a graph in more than one point it is not a function (one x-value has more than one y-value)
What is the vertical line test?
If each number in the domain has an arrow to only one number in the range.
When does the mapping diagram represent a function?
y = -2x - 2
Write an equation of the line that passes through the given points. (-3, 4) and (2, -6)
y = -x - 3
Write an equation of the line that passes through the given points. (-4, 1) and (3, -6)
y = -(3/4)x + 2
Write an equation of the line that passes through the given points. (-4, 5) and (12, -7)
definition of function
a relation that assigns exactly one output value for each input value
definition of relation
a set of pairs of input and output values
