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Math M03 quiz 1 Cheat Sheet by

Function Notation

Treat f(x)=y aka solve for x disregard f(x) then plug into y (3.3)
Slope intercept form etc also applies tooo
f(x)­=-2x
f(x) = -2(0)
'plug in a rando #'
you plugged in 0 for x so x=0, the answer you got was 0 so y=0

Solutions

No solution: answer is different numbers or letters
Infinitely Many solutions: Both sides of equation are identical

Linear inequa­lities

Infinity always has parent­hesis
brackets apply to the greate­r/less than or equal to sign and
when you divide a negative inequality term, you swap the >,< etc.
 

Consec­utive Integers

Substi­tution Method

Elimin­ation method

 

Graphing formulas

Point Slope
y-y1=m­(x-­x(1))
Slope interc­ept
y=mx+b
Stan­dard
Ax+By=C
Slope Formula
y-y(1) over x-x(1)
when in doubt make a table

Function

For each x there is exactly one y in the range

Lines

Para­llel
Same slope
Perp­end­icu­lar
Slope is a negative reciprocal of the other line

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  • Published: 24th February, 2019

Favourited By

Yoisell R Nunez nbudka40

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