x+4=9
x = 5
x-7=12
x 19
Find the perimeter of a square with side length 7.
28
Find the mean:
4,\ 6,\ 8
6
Solve:
3x-7=14
3x=21
x=7
5x=45
x = 9
Find the area of a triangle:
Base = 10
Height = 4
A=1/2(10)(4)=20
Find the median:
3,\ 7,\ 9,\ 10,\ 15
9
Find the equation of the line with:
slope = 2
passing through (3,5)
y=2x-1
Find the slope of the line passing through:
(2,3) and (6,11)
m = 2
theA triangle has angles:
50, 60, x
Find x.
50+60+x=180
x=70
A graph shows that as study time increases, test scores increase.
What type of correlation is this?
Positive!
2^3 + 5(2)
18
Write the equation of a line with:
slope = -3
y-intercept = 5
y=-3x+5
Find the volume of a rectangular prism:
Length = 5
Width = 3
Height = 4
V=5 x 3 x 4=60
Find the mode:
2,\ 4,\ 4,\ 5,\ 6,\ 6,\ 6,\ 8
6
Find the intersection point:
y=3x+2
y=-x+18
4,14
Solve:
2(x+4)-3=x+9
2x+8-3=x+9
2x+5=x+9
x=4
A circle has diameter 14.
Find the circumference.
C=14
The mean of 5 numbers is 12.
What is the total sum?
60