Show:
Vocabulary
Function Tables
Word Problems
Graphs
Inequalities & Absolute Values
100
The first number of an ordered pair. For example when given (3,6), the 3 represents this in this ordered pair.
x coordinate
100
Find the input for each function. x x/8 ? 0 ? 8 ? 16
x x/8 0 0 64 8 128 16
100
A medium potato has 26 grams of carbohydrates . Write a function rule that relates the amount of carbohydrates to the number of potatoes.
Let c: amount of carbohydrates and p: # of potatoes c=26*p
100
Graph the following solution on a number line. x-8 less than/equal to 12
On board
100
Evaluate: 1. |-3| 2. |555|
1. 3 2. 555
200
A table organizing the input, rule, and output of a function.
Function Table
200
Find the input of each function. x 2x+3 ? 13 ? 25 ? 33
x 2x+3 5 13 11 25 15 33
200
What is the function rule for this table?
3x+2
200
Graph the following solution on a number line. 4+5x greater than/equal to 29
On Board
200
Evaluate each expression: 1. |-10| + |-6| 2. |9| + |-12|
1. |-10| + |-6| = 10 + 6 = 16 2. |9| + |-12| = 9 + 12 = 21
300
A relationship that assigns exactly one output value to one input value.
Function
300
The table shows the amount of money Connor saved in November. Week Total Saved ($) 1 6 2 12 3 18 4 24 1. List the information as ordered pairs. 2. Graph the ordered pairs. 3. Analyzed the graph.
1. (1,6) (2,12) (3,18) (4,24) 2. On Board 3. Discussion
300
Damon wants to buy a new MP3 player that costs at least $110. He has already saved $50 and will save an additional $15 a week. Write and solve an inequality to find the number of weeks Damon must save in order to buy the MP3 player.
50+15x greater than/equal to 110; at least 4 weeks
300
Graph the following points on a graph: A (-3,2) B (3,-3) C (-2,-2) D (2,3)
On Board
300
Graph each solution on a number line. 1. x-8 less than/equal to 12 2. 3x-1 less than 11
On Board
400
What is the definition of an ordered pair?
A pair of numbers used to locate a point on the coordinate plane.
400
Write an equation to represent the function displayed in the table. Input, x 1 2 3 4 5 Output, y 9 18 27 36 45 Make sure you can explain how you found the equation.
y=9x
400
Vincent spends $4 to play a ring toss game at the fair. If he has at most $12, write and solve an inequality to find how many games of ring toss he can play.
4g less than/equal to 12; g less than/equal to 3
400
What is the definition of a graph?
To place a dot at a point named by an ordered pair.
400
Is the given value a solution of the inequality? x+7 greater than 13, x=13
Yes
500
What is the definition of inequality?
A mathematical sentence indicating that two quantities are not equal.
500
Write an equation to represent each function. x, input 1 2 3 4 5 y, output 7 13 19 25 31 Make sure you can explain how you came up with this equation.
y= 6x+1
500
A company makes toy cars. It sells small cars for $2 each and medium sized cars for $3 each. If the company sold 44 cars total and made $105, how many small cars were sold?
27 small cars Use guess and check until you can come up with the correct answer.
500
Darnell reads an average of 30 minutes each day. 1. Make a table to show the number of minutes m Darnell spends reading in 1,2, and 3 days. 2. Graph the function 3. Describe the graph
1. x 1 2 3 y 30 60 90 2. On Boaard 3. Linear function
500
Solve the inequality: 1. 4 + 5x greater than/equal to 29 2. 2x greater than 18
1. x is greater than/equal to 5 2. x is greater than 9