Chapter 4.1-4.4 Practice Quiz

Chapter 4.14.4 quiz Review .notebook
October 27, 2016
Bellwork
Use the intercepts to graph:
1) y = 3x + 3
Homework Questions???
2) 3y + 6x = 18
Find the slope of the line
3) (2, 3) and (5, 7)
4) 3x + 7y = 21
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Identifying Linear Functions
Oct 287:16 PM
Rate of Change and Slope
Chapter 4.14.5 Quiz Review
Identifying Linear Functions
The Slope Formula
Using Intercepts
Homework
Oct 287:16 PM
Oct 287:19 PM
Rate of Change and Slope
Using Intercepts
Oct 287:20 PM
Oct 287:20 PM
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Chapter 4.14.4 quiz Review .notebook
Direct Variation
Oct 287:20 PM
October 27, 2016
The Slope Formula
Oct 287:20 PM
Tell whether each function is linear. If so graph the function.
Tell whether the set of ordered pairs satisfies a linear function. Explain.
3y = 12
{(3, 10), (1, 9), (1, 7), (3, 4), (5, 0)}
Oct 287:29 PM
The cost of a can of icedtea mix at SaveMore Grocery is $4.75. The function f(x) = 4.75x gives the cost of x cans of icedtea mix. Graph this function and give its domain and range.
Oct 287:34 PM
Oct 287:33 PM
Use intercepts to graph the line described by Oct 287:38 PM
2
Chapter 4.14.4 quiz Review .notebook
Use intercepts to graph the line described by the equation.
Find the x and yintercepts.
Oct 287:40 PM
Oct 287:42 PM
The table shows the number of bikes made by a company for certain days. Find the rate of change for each time period. During which time period did the number of bikes increase at the fastest rate.
Day
Bikes
1
32
2
35
October 27, 2016
5
47
7
47
Find the slope of the line.
11
61
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Oct 287:48 PM
The table shows the distance traveled by a car during a fivehour road trip.
Time(h)
0
1
2
3
4
5
Distance (m)
0
40
80
80
110
160
Find the slope of the line that contains the points (5, 3) and (1, 4)
What does the rate of change represent?
During which hour was the car's average speed the greatest? Oct 287:50 PM
Oct 287:53 PM
3
Chapter 4.14.4 quiz Review .notebook
October 27, 2016
Find the slope of the line. Then tell what the slope represents.
Tour Bus Travel
Find the slope of the line described by
Distance (mi)
250
x + 2y = 8
200
150
(3, 150)
100
50
(1, 50)
1
2
3 4 5
Time (h)
6
Oct 287:54 PM
Tell whether the equation represents a direct variation. If so, identify the constant of variation.
2y = 6x
Oct 288:01 PM
Oct 288:00 PM
Tell whether each relationship is a direct variation. Explain.
x
y
4
2
0
3
8
5
Oct 288:03 PM
Apples cost $0.80 per pound. Write a direct variation equation to describe the cost y of x pounds of apples. Then graph.
Homework
Chapter 4.14.4 Practice Quiz
Oct 288:05 PM
Oct 288:07 PM
4
Chapter 4.14.4 quiz Review .notebook
Oct 194:17 PM
October 27, 2016
Oct 267:43 AM
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