Variables
Mr. Beast has a 100 people in his Last to Take Their Hand Off the Air Jet challenge. If 15 people drop out each day, how many days until it is 10 people?
6 days
2^0
1
Simplify this expression -|7|
-7
In a coordinate plane, how many quadrants are there?
Four
What is PEMDAS
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
Evaluate the expression when a=2.5, b=11.5, c=22
(a+b)*4+c
78
What is the formula for volume?
s*s*s or a variable to the 3rd power
Which number is greater -70 or -55
-55
Which quadrant would this coordinate be in? (-4,-8)
Third
28-63/7
19
Write an Expressions for inches in "x" feet
12x
Which expression has a value of 81?
A. 4^3, B.3^4, C. 2^8, D. 27^3
B
Evaluate the expression given:
45 - (-40)
85
Plot the points (0,6) (0,-6) (2,0) (-2,0) what shape does it form?
6.5*y/(x-1) while x=3 and y=4
13
Write an expression for a length of time in minutes if you know the amount of seconds (s)
a. s+60 ; b. s/60; c.60*s; d.60/s
B
Explain why 1 to any power will always be one
One times itself will always be one
Evaluate the expression given:
(-4)*(-4)*15*(-10)
-2400
What is a scatter plot for?
To see if there is a relationship between two sets of data
You buy 4 videotapes for $14.99 each and 3 DVDs for $19.99 each. Find the total cost of the movies
$119.93
You belong to an online DVD rental service. Your yearly budget is $200. Each rental cost 4$.
Write an expression for the cost of "r" rentals and then write an expression for the budget left after "r" rentals.
4r, 200-4r
Find the values of x,y and z so that each of the Expressions x2 , y3 and z6 have a value of 64
x=8,y=4,z=2
Evaluate the expression given:
(-48)/6+14-(-10)*12
126
Give me an example of what ordered pairs and graphing can be used for.
e.g.
A group of 20 members and 5 nonmembers visited a museum. The admission cost was 6$ for the members and 10$ for the nonmembers. The group decided to the divide the total cost evenly among all 25 people. What was the cost per person?
$6.80