Is the relation {(2,7),(3,7),(4,-5),(-8,-9)} a function?
Yes.
100
Your school decides to order spirit wear for a pep rally. Shirts by Sam charges $12 to make every shirt. Soft Silks charges $32 plus $8 per shirt.
Write an equation for each company, using x to represent shirts.
Shirts by Sam: 12x Soft Silks: 32+8x
100
You are fencing a garden with a 24 ft area. What are some possible dimensions?
24 by 1. 2 by 12. 3 by 8. 4 by 6.
200
True or false: All decimals are rational numbers.
False.
200
Solve the equation 2x+3=9
x=3.
200
The more you eat, the more calories you consume.
Which phrase is dependent on the other?
The number of calories you consume depends on how much you eat.
200
Find the slope (m) of a line that passes through the points (2,5) and (4,9)
m=2 or the slope is two.
200
You are at a sale where all clothes are 30% off. The shirt you want is originally $18.99. What is the sale price?
$13.30.
300
(-8+4)+6-2=-8+(4+6)-2 is an example of what property?
Associative Property of Addition.
300
2km-7=9; solve for m
m=16/2k.
300
Two friends were both born in March.
Does this situation represent a function?
Yes.
300
What is the slope of a horizontal and a vertical line?
Horizontal: 0 Vertical: undefined.
300
You are buying a TV that is originally $699 and is marked down 40%. After 7% sales tax, what is the final cost of the TV?
$448.75
400
Find the absolute value of |-8+4|
4.
400
Bob drives at a rate of 2 miles per hour driving to work, and 40 miles per hour driving home from work. If his total travel time is 1.5 hours, how long does it take him to drive to work?
1 hour.
400
What is the domain and range of a table when the x values are 9,5,6,4 and the y values are 4,7,4,2?
D:[4,5,6,9] R:[2,4,7]
400
How can you find the slope from a table and from a graph?
Table: you do the change in y divided by the change in x.
Graph: you do rise divided by run (y axis and x axis)
500
Simplify the expression 14x-3+-8x+-4.
6x-7.
500
Two trains leave the station at the same time. Train 1 is traveling at 65 miles per hour faster than train 2. After 3.5 hours, the two trains are 4700 miles apart. What are the rates of the two trains?
Train 1: 703.9 miles per hour. Train 2: 638.9 miles per hour.
500
If the function f(x)=3/x was applied to a graph, what would the domain and range be? (using -2,-1,0,1,2 as the x values).
D:[all real numbers except zero.] R:[all real numbers except zero]
500
Write the equation of a line in slope-intercept form that passes through the points (4,3) and (7,5)