Homework Lesson 3.7 Systems - Substitution and Elimination
Name: _
Date: _
Solve by graphing.
1.
2.
Solve by either elimination or substitution. Classify each as consistent or inconsistent. If the
system is consistent, then classify it as dependent or ind
Homework Lesson 3.6 Linear Systems
Name: _
Date: _
Period: _
Due Date: _
Solve each system by graphing. (Solve means identify the point of intersection!)
1.
y = (4/3)x + 3
2.
y=x+2
y = (-2/3)x 3
x = -3
3.
4x + y = 2
xy=3
5.
y = (5/4)x - 2
y = (5/4)x - 1
4
Lesson 3.3 Point-Slope Form Notes
Important Vocabulary
Independent Variable the variable that can be controlled; the _
variable.
_ is USUALLY the independent variable.
Dependent Variable the variable that is affected by the other; the
_ variable.
Try It!
Line of Best Fit Practice Problems
Write a real-life scenario that would be modeled by the data. Draw a line of
best fit and write the equation of your line in point-slope form and slope
intercept form.
Sometimes at sporting events, people in the audience perform a rolling motion in the
crowd called the wave. You and your class will investigate how long it takes different-size
groups to do the wave.
*Guess: It would take _ seconds for our class with _ pe
Homework Lesson 3.3 Fitting a Line to Data part 2
Name: _
Date: _
Period: _
Due Date: _
1. Write the equation of each line in point-slope form. Then convert to slope-intercept.
2. Write the equation of each line in point-slope form. Then convert to slope-
Homework Lesson 3.3 Point-Slope Form part 1
Name: _
Period: _
Date: _
Due Date: _
1. This table shows how long it took to lay tile for hallways of different lengths
Length of
hallway (ft)
Time (min)
3.5
9.5
17.5
4.0
12.0
8.0
85
175
295
92
212
153
a. What
Name: _
Open Ended
Answer the following open-ended. Be sure to explain or show your work.
a. Graph y = 3x + 1 on the coordinate plane below.
b. Write an equation of the line through point (-1,3) that is parallel to the line from
part (a). Then graph the l
Homework Lesson 3.2 Revisiting Slope
Name: _
Period: _
Date: _
Due Date: _
1. Graph each equation on the coordinate plane below.
a. y = -3x 1
b. x 2y = -8
c. y = 2x
2. Write the equation of the line in slope-intercept form that:
a. goes through (1, 6) and
Name:_
Period:_
Investigation: Match Point
Part 1 Match as many recursive formulas, graphs, and linear equations together. Note: Not everything will be
matched
i. y = 3x 4
ii. y = x + 4
Matches: 1: _
2: _
3: _
A: _
B: _
C: _
iii. y = 2 + 5x
i: _
ii: _
iii
Homework Lesson 3.1 Arithmetic Sequences and Linear Equations
Name: _
Date: _
Period: _
Due Date: _
1. Find an explicit formula for each recursively defined arithmetic sequence. Then use
the formula to find the indicated n and un.
a. u0 = 18.25
b. t0= 0
u
Q uestion:Howmanywhitetrianglesarethereatstage20?
Part 1: How to make a Sierpinski Triangle
1. Start with an equilateral triangle.
2. Make a mark at the halfway point on each of the sides of the equilateral triangle.
3. Connect the 3 marks you just made w
Homework Lesson 1.1 Recursively Defined Sequences
Name: _
Period: _
Date: _
Due Date: _
1. Find the common difference, d, for each arithmetic sequence and the common ratio, r, for
each geometric sequence. Write a recursive formula for each.
a. 1.5, 1.0, 0