Unit 1A
-2 + (-3)
-5
What is the name of a table that includes the point (0,0)?
ratio table
Rewrite this equation using function notation: y=5r+8
f(r)=5r+8
What number is a percentage out of?
Out of 100
What rate is distance over time?
speed
A negative number divided by a negative number results in a what.
positive number
The k in y=kx stands for what?
constant of proportionality
At the y-intercept x is always equal to what?
0
Give me the formula when solving for part
p= w x %/100
Give me the most amount of numbers in Pi you know
3.14159592653589793238462643383279 5028841971693993751058209749445923078164 0628620899862803482534211706798214808651 3282306647093844609550582231725359408128 4811174502841027019385211055596446229489 5493038196442881097566593344612847564823 3786783165271201909145648566923460348610 4543266482 (this was what i could remember)
What is the term for the type of number that can be positive and negative, but only whole numbers.
integers
What are the two properties of a proportional relationship on a graph?
straight line and through the origin
Define a linear function
Every input has one single output
In a percent error question, what represents the whole and part?
whole: actual value
part: approximate value
What is the formula for the cirumference of a circle?
C=2(Pi)r
C=d(Pi)
Final - initial is the formula for what?
Change
Name a point in the equation 9y=8x
Give all three forms of writing linear functions
y-y1=m(x-x1)
y=mx+b
An=An-1+m A0=b
What is 80% of 80% of 80
51.2
If you leave New York at 8 Am to go to Japan and it takes 11 hours, what is the time in Japan when you consider Japan is 14 hours ahead of New York time.
9 AM
This term is an example of an irrational number, and used in determining the area of a circle
Pi
Ashton uses multiple hoses to fill an empty swimming pool that holds 2500 cubic meters of water when full. Ashton turns on the hoses at 12 pm. After 3/10 of an hour, the pool contains 150 cubic meters of water. If these hoses fill the pool at a constant rate, what time should Ashton turn off the hoses so that the pool does not overflow?
5 pm
Give the equation for the problem: Marcus joined a gym for 55 dollars a month, after three months he had spent 200 dollars total.
y=55x+35
y-200=55(x-3)
The original length of the side of a square is 4. If the area was increased by 125% what is the new side length of the square.
6
In a deck of 52 cards there are 13 different card values (2-Ace), each with 4 suits. What are the odds, as a percentage, of randomly selecting an Ace of Diamonds followed by a King of Hearts without putting the Ace back in the deck.
.038%