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Graphs
Patterns and Linear Functions
Functions
Writing a Function Rule
Relations and Functions
100
A quantity in an equation that stays the same.
What is a constant?
100
A quantity that depends on another variable.
What is an dependent variable?
100

If y = -3x + 2, what is y when x = 4?

 -10

100

Information from previous math classes, other school subjects, and your everyday life that you use to solve difficult math problems.

What is background knowledge?

100
The set of all the x-values in a function
What is the domain?
200
A quantity in an expression or equation that can change.
What is a variable.
200
A function whose graph is a straight line or part of a straight line.
What is a linear function?
200

Based on the table below, this is the number of cups of yogurt that can be made with 3 gallons of milk.

milk (gal)yogurt (cups)
00
114
228
342
456

What is 42?

200

The input value of the function f(x) = 6 - 4x if its output is 26

What is -5

200
A test for determining whether a relation is a function based on its graph.
What is the vertical line test.
300
The part of a graph that is labeled with values and variables.
What is an axis.
300
Another word for values of an independent variable.
What is an input? (or an x-value)
300

A function whose graph continues upwards.

What is an increasing function?

300
A diagram representing a relation using arrow heads.

What is a mapping

300
The range of the relation {(3,7), (3,8), (3,-2), (4,7), (3,1)}
What is {7, 8, -2, 1}?
400
Part of a graph that is always drawn horizontally.
What is the x-axis.
400
A rule that assigns each input exactly one output.
What is a function?
400
The solution to the equation 2(x - 5) = 2 - x.
What is x = 4?
400

The independent variable in a situation where the height of a tree increases by 5cm each week.

What is the number of weeks?

400

Make a table for when y = -1.5x + 4 and x = 1, 2, 3, 4. 

 -2, -0.5, 1, 2.5

500

A graph shows a picture of the relationship between this number of variables.

What is 2?

500

A function rule that could represent, for instance, this table:

xy
050
149
248

What is y = 50 - x

500

A function rule using x and y to represent the following ordered pairs: (0,3), (1, 4), (2, 5), (3, 6)

What is y = x + 3

500

A function rule using x and y that fits these ordered pairs: (0,-1), (1, 4), (2, 9), (3, 14)

What is y = 5x - 1

500

Find when for x= -5 for y = 2x - 3

2(-5) - 3 = -13