Download 9/7/11: Exit Ticket on Linear Equations 1. A line contains the points

9/7/11: Exit Ticket on Linear Equations
1. A line contains the points ( -1, 5 ) and ( 4, -10).
a. Find the slope of the line:
b. Write the slope intercept form for equation of the line:
c. Find the equation of the line:
d. Find the value of a, such that the point ( 3, a ) lies on the line.
e. Find the value of b such that the point ( b, -4 ) lies on the line.
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9/7/11: Exit Ticket on Linear Equations
1. A line contains the points ( -1, 5 ) and ( 4, -10).
a. Find the slope of the line:
b. Write the slope intercept form for equation of the line:
c. Find the equation of the line:
d. Find the value of a, such that the point ( 3, a ) lies on the line.
e. Find the value of b such that the point ( b, -4 ) lies on the line.
9/7/11: Practice Work: Slope and Y-Intercept
REMEMBER TO WRITE A QUESTION DOWN IF YOU GET STUCK!
1. Slope-Intercept form is: y=mx+b.
What does the m stand for?
What does the b stand for?
What do the x and y stand for?
2. A line contains the points ( 5 , -6 ) and ( 2 , 8 ). Find the equation of the line.
3. Come up with a rule for the following table:
Input
Output
0
3
1
5
2
7
3
9
4
11
Find a rule for the following sequences:
4. 5, 9, 13, 17, 21, 25, 29, 33
5. -8, -3, 2, 7, 12, 17, 22, 27
6. -2, -4, -8, -16, -32, -64, -128, -256
7. 50, 37, 24, 11, -2, -15, -28, -41
9/9/11: Quick Quiz: Closed and Recursive Functions
1. Use the closed function f(x)=4x -3. Find the values of f(1) through f(6) for this
function. Also show in the form of a table.
f(1)=
Input x
Output f(x)
f(2)=
f(3)=
f(4)=
f(5)=
f(6)=
Write a recursive function for the following table:
2.
Input x
0
1
2
3
4
Output f(x)
9
6
3
0
-3
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