Is this graph proportional? Why?
No, because it is not a straight line
What is 30% of 100
30
Solve for x
15=3x
x=5
-156 + -44 =
-200
What part of the circle is this?
Diameter
What is the constant in the equation y=3x
3
What is 50% or 40
20
Solve for x.
20=x+5
x=15
50 x -30
-1500
What part of the circle is this?
Radius
What is the constant of this graph?
5
A store is having a 25% off sale. How much will a $100 pair of boots cosr?
$75
Solve for x.
120= 60x
x=2
-144/-12
12
What value does pi represent?
3.14
Write an equation for this table.
y=2x
If a bill is $40 and you leave a 20% tip, what will the total cost of the bill be?
$48
Combine like terms.
10x + 30 - 5x + 2x -3 -2
7x+25
200 - (-200)
400
What is the perimeter of a circle called?
Circumference
Write an equation for this table.
y= 5/2x or y =2.5x
After going to Walmart the total cost of items will be $40. After a 5% tax what will the total be?
$42
Solve for x.
3(x+2) + 2x +1 = 12
x=1
-33
-27
How do you calculate the area of a circle?