Linear relations
Linear relations are
a statistical term used to describe a straight-line relationship between two variables
Linear equations are
an algebraic equation of the form y=mx+b
Volume is
The space inside a 3 dimensional figure
A simular triangles has how many same angles
2
Simplify 5x+3x
8x
Jeff installs windows and charges a fixed cost of $20 plus $80 for every window he installs.
Write an equation that relates his income to the number of windows he installs.
I =20+80x
Which mathematical operations are required to solve the equation: -7x-3=18
Addition and division
Surface area is
The total area covering the faces of an object
How many millimetres are in 11 inches
(one millimetre = 0.0393701 inches)
279.4
Simplify 3a+7b+a-2b
4a+5b
How long will it take until 120 is reached ( What is N)
I=20+25n
N=4
The solution to y-2/5 is
Y=-8
What is the formula for the volume of a cylinder?
π r² h
How many cups are in 3 litres
Square the expression 5x
25x²
Find the slope of these 2 points
A(10,2) B(12,6)
M=2/1
Simplify the expression: 3x+4+-15x-7
-12x-3
What is the SA of a 5x5 cube
150cm²
A car uses 6.3L of gas per 100km. How many litres of gas are needed for the WHOLE trip (there and back)
223
Expand and simplify (x-3) (3x+1)
3x² -8x -3
Find the equationof the line that passes through the points:
P1(3,1) P2(2,0)
Y=1x+4 or Y=x+4
Solve the equation:
9(11-k) = 3(3k-9)
k=7
Find the SA of a come when R= 3cm S=14
160.3cm squared
The factor from FT to M is
0.3048
Factor each difference of squares x² -9
(x-3)(x+3)