What has many rings but no fingers?
Saturn!
Determine if the following sequence is arithmetic. If it is, determine the common difference.
1, 2, 3 , 5, ...
No.
Graph y=1/2x-4
Start at -4, go up 1 over 2.
Identify the slope of the linear equation y=-x+6
m=-1
Write the linear function in this graph:
y=20x-15
Are these lines parallel, perpendicular, or neither?
y=-4x-1 and y=-2x-2
Neither!
What is at the end of a rainbow?
The letter W!
Determine if the following sequence is arithmetic. If it is, determine the common difference.
1/2, 2, 3 1/2, 5, ...
Yes,
d=1 1/2
Graph y=-x-5
Start at -5, go down 1, right 1
Find the slope of a line that passes through the points (0, 5) and (2, 10)
m = 5/2
Write a linear function with a slope of -9 and a y-intercept of 5
y =-9x+5
Find the slope of a line that is parallel to
y=5/9x+31
m=5/9
What can you hold in your right hand, but never in your left hand?
Your left hand!
Define "Slope".
Slope is the rate of change for a linear function. We can use slope to graph by using
m=(rise)/(run)
Graph x+y=4
Intercepts at x=4 and y=4
What is the slope of the linear function y=14
m=0
Write a linear function that contains the points (0,2) and (-4,5).
y =3/4x +2
Find the slope of a line that is perpendicular to
y=5/9x+31
m=-9/5
How can you drop a raw egg onto a concrete floor without cracking it?
Concrete floors are very hard to crack :)
What are the three forms we have learned to write a linear equation?
Slope-Intercept Form
Standard Form
Point-Slope Form
Graph 2x-y=4
Intercepts at x=2 and y=-4
Find the slope of a linear function that contains the points (-2.5 , 9) and (5 , -13.5)
m=(-13.5-9)/(5-(-2.5))=-22.5/7.5
m=-3
T-Mobile charges $100 per month for a family plan for four people. They also charge a one time set up fee of $25. Write a function to show how much money someone spends in total after x months.
y=100x+25
Find the line Parallel to y=-1/2x+4 and contains the point (1,0)
y=-1/2x+1/2
I can count the time but not the hour.
You cannot take me with you when you take a shower.
I start off strong but end up a puddle.
What am I?
A Candle!
Define "Independent Variable" and "Dependent Variable".
See student responses.
Graph -6y + 4x = 12
Intercepts at x=3 and y=-2
Write the equation of the table below.
x -1 2 5 8
y -2 7 16 25
y = 3x + 1
A 2 foot tall pine tree was planted. The tree grows at an average rate of 3/4 foot per year.
Write a linear function and use it solve for how tall the tree is after 12 years.
y=3/4x+2
y=3/4(12)+2
y=9+2=11 Feet
Find the line Perpendicular to y=2/3x+10 and contains the point (-4, -5)
y=-3/2x-11