benchmark 2 practice

slope equation

y=mx+b

linear functions (Equation)

An equation is linear if the "X" is plain

Rate of change

How something changes overtime Y/X

function (graph)

Must pass the vertical line test

WHEN YOU ARE GIVEN TWO POINTS YOU MUST USE THE

SLOPE FORMULA

linear functions (graphs)

STRAIGHT LINE

infinitely Many solutions

Same letters (aka slope) Same numbers (plain number) no matter what you plug in - the answer will be the exact same y = 4x + 12 y = 12 + 4x

In slope equation what does the "b" stand for

Y-intercept Y-intercept is always the plain number

slope formula

Y2-Y1/X2-X1

slope

a measure of the steepness of a line

initial value from graph

where the line starts always on the y-axis

exponent rule: multiplying like bases

add exponents

One solution

different letters (aka different slopes) you must solve like normal

Negative slope (visual)

down and to the right

vertical line test

functions tes -Up and down straight line -cannot intersect more than ONCE Your X and Y axis DO NOT COUNT AS AN INTERSECT

functions (ordered pairs)

if no "X" values repeat = function

exponent rules: power to power

multiply indicated by parentheses - and you MUST distribute to every number inside the parenthesis

Slope (graph)

rise/run

No solution

same letter (aka slope) Different numbers happen when the slope cancels out and different numbers are left Y = 4x + 3 Y = 4x +2 3=2

In slope equation what does "m" stand for

slope .. slope is always attached to "x"

exponent rules: dividing like bases

subtracting exponents find the boss

y-intercept

the exact point the line crosses the Y-axis (up and down axis)

positive slope (visual)

up and to the right

scientifc notation

used to describe really big or really small numbers

How do we describe information on a graph

we look at the AXIS!