Find the Slope
Find the Y-Intercept
Interpret the Y-intercept
Linear Relationships
Proportional Relationships
100
The equation is y= -3x + 5. The slope is....
-3
100
Here is an equation y= 3x - 8. The y-intercept is _____.
The y-intercept is -8?
100
The graph shows the savings in Andre’s bank account.
It shows that the y-intercept is 40. The 40 represents what Andre's bank account?
Andre starts with $40 in his bank account?
100
What does 'b" represent in y=mx+b ?
y-intercept
100
The graph shows the growth of a tree over time. Is the data represented proportional?
No, the y-intercept does not start a 0.
200
A cable company charges $70 per month for cable service to existing customers. The slope is ______?
The slope is 70?
200
Here is an equation y=3x. This equation represents a proportional relationship. The y-intercept is ______.
The y-intercept is 0?
200
Jada's grandparents started a savings account for her in 2010 and put $600 in the account. The table shows the amount in the account each year. The $600 represent __________.
The $600 represent the starting amount in Jada's account in 2010?
200
What does 'm" represent in y=mx+b ?
Slope
200
Is the following equation proportional or non proportional:
y= 4x
Proportional
300
The slope is _________?
The slope is 8.50?
300
A cable company charges $70 per month for cable service to existing customers. For new customers, there is an additional one-time $100 service fee (starting point). The y-intercept is _______.
The y-intercept is 100?
300
Mrs. Franklin's meal.
300
Bowling costs $4 for shoe rental plus $5 for every game. What equation shows how much it costs to go bowling for x games?
y= 5x+4
300
Does the table represent a proportional relationship?
Yes, Proportional
400
The slope is _________.
The slope is 2?
400
Jada's grandparents started a savings account for her in 2010. The table shows the amount in the account each year. The y-intercept is _______.
The y-intercept is 600?
400
To get into the fair it is $5.
400
A dog walker earns $10 plus $3 per dog. What equation represents this model?
y= 3x+10
400
What is the constant of proportionality?
3
500
Find the slope of the line that goes through
(0,5) (8,2)
The slope is
-3/8
500
By looking at the graph, the y-intercept is ______.
The y-intercept is 0?
500
Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan:
The initial cost of the phone was __________.
$200 for the initial phone?
500
A yoga class in a fitness center charges a $200 registration fee plus $12 per lesson. Write an equation to determine the amount of money a person will spend (y) for any number of lessons (x).
y=12x+200
500
What is the constant of proportionality?
9