Rates
Exploring Linear Functions
Solving Equations
Is it M or B?
Direct Variation, Linear, Non-Linear
100
If Mark walks at a rate of 2 meters per second, how far will he walk in 2 minutes?
What is 240 meters?
100
The students in Miss Taylor's class raised money to buy books for their school. They raised $240. Each week they withdraw $14 to buy their books. Write an equation representing this situation.
What is y=240 - 14x OR y=-14x +240
100
This is the value of x in the following equation.
5x = 30
What is 6?
100
In a linear equation, what determines the steepness of a graph?
What is the unit rate or slope or M?
100
The definition of direct variation.
What is a straight line that starts at 0.
200
What is the unit rate in the equation y=4.5x + 18?
What is 4.5?
200
The definition of y-intercept.
What is where the line crosses the y-axis or y value when x=0 or the starting amount.
200
This is the value of x in the following equation.
-20 = 4x
What is -5?
200
If two lines touch at (0,5) then this is the part of their equation that is the same.
What is the y-intercept of starting amount or B?
200
This is why some linear equations are NOT direct variation.
What is, they don't start at 0.
300
The unit rate in this equation y = 35 - 2.5x
What is -2.5?
300
The slope of this is positive or negative or zero???
Positive
300
This is the value of x in the following equation.
40 = x + 36
What is 4?
300
The unit rate of this line...
What is 5?
300
This type of function
What is direct variation or proportional?
400
The students in Miss Taylor's class raised money to buy books for their school. They raised $240. Each week they withdraw $14 to buy their books. How long before this class runs out of money?
What is 17 or 18 weeks.
400
The slope of this is positive, negative or zero?
What is negative.
400
What is meant by inverse operations?
What is the opposite or undoing of an operation? add = subtract multiply = division
400
The y-intercept for this line...
What is 3?
400
This type of function...
What is linear?
500
If you have $36 and in 5 weeks you have $71, this is the amount you earned each week.
What is $7?
500
Sketch a graph with zero as a slope.
500
This is the value of x in the following equation.
5x + 2 = 57
What is 11?
500
The unit rate for this line...
What is -2?
500
This type of function
What is non linear?