Multiplication
What is 2*2
Answer = 4
What is the slope forumula
Y2-Y1/X2-X1
What is the the area formula for a triangle?
A= 1/2Bh
B= Base
A= area
H= height
Calculate the slope of a point with (7,12) and another point with (5,20)
you would do 20-12= 8 and then 5-7=-2
Slope would equal -4
Difference between the total bill and the price of the item.
What is 2*8
16
What is another Phase for Slope Forumla
Rise over run
What is the area for a rectangle?
A = L*W
L= length
W= width
how do you write an equation?
Y= mx+B
M= slope
x= years or time
B= y intercept
What is the sales tax in new york?
The sales tax is around 8%
What is a multiple of 12.
Acceptable: 12,24,36,48,60,72
What is the vertical intercept mean?
The vertical intercept is when X= 0
What is the area of a circle?
A= Pie*r^2
Pie is equal to 3.141592653589793
R= radius
What is a tread line in math?
Forumla for sales tax?
Total sales tax= item cost * sales tax rate
Example item cost 60 and the sales tax rate is 7.5%
60*0.075= $4.50
What is a multiple of 15:
30,45,60,75,90 ETc.
What is the Y intercept?
Y intercept IS when Y=0
What is A, B, C for a right triangle?
A= adjacent
B= opposite
C= hypotenuse
What is the graph with multiple points on it called?
scatterplot
What is the sales tax of something that cost 100 and has a sales tax of 10%? what is the price after the sales tax?
you would take the 100 and multiply it by 0.010 and you would then get $10 for the sales tax
100+$10=$110
What is 9*9?
81
How do you write out the X and Y intercepts?
X intercept = (0,?)and Y= (?,0)
What is the volume for a cube?
V=a^3V= volume and a= area
How can you tell if a linear model is linear?
The points must be in order and must form a straight line stretching from the 1st point through all till the last point
What is the sales tax of a shirt that cost $50 and has a sales tax of 5% and what would the price be after sales tax?
You would take the $50 and multiply it by 0.05 and get $2.5
50+2.50=52.50