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Find the Slope
Is it a function?
Pattern Expressions
y-intercept
Word Problems
100
A line that passes through (2,0) and (5,6)
6/3 or 2
100
{(2,7), (3,7), (1,4), (8,5)}
Yes
100
7, 12, 17, 22.... write the expression of this pattern.
2+5x
100
What is the y- intercept?
1
100
Aaron is driving a car. Give a description of rate of change for this situation.
miles per hour
200
1/3
200
Yes
200
Write an expression for this pattern
15x
200
What is the y- intercept?
3
200
Thomas has $50 saved and got a job delivering news papers. He makes $10 per hour. Write an expression for how much money Thomas has.
50 + 10x
300
3/1 or 3
300
No
300
12, 15, 18, 21, ...
9+3x
300
2y + 4 = 5x What is the y-intercept (b) ?
-2
300
A T-shirt company charges customers a flat fee to order t-shirts plus additional fee per shirt. The equation: y = 12.50x + 10 represents the total fee (y) for ordering shirts (x). What is the y-intercept and its meaning in this situation?
10 - flat fee
400
5x + 2y = 12
-5/2
400
No
400
-7, -11, -15, -19, ...
-3 - 4x
400
The slope of a line is 2 and goes through the point (5,-3). What is the y-intercept?
-13
400
In 3 minutes, Weggens can solve 1 rubik's cube, in 6 minutes he can solve 2 rubik's cubes, and in 11 minutes he can solve 3 rubik's cubes. What is the rate of change that Weggens can solve rubik's cubes ?
one rubik's cube per 3 minutes
500
Which two tables have the same slope?
1 and 4
500
Which is a function?
Table on the right.
500
3x-5
500
The slope of a line is -1/3 and goes through the point (-6, 2)
0
500
Kendall is training for a marathon. During the first week she runs 12 miles, second week 15 miles, third week 18 miles. If the pattern continues, in how many weeks will she run 30 miles?
expression: 9 + 3x = 30 7 weeks