I need a tutor to help me study for my ged test on saturday!

[visual wasp]

This is my 3rd and final test for the year i was one off the last time i took it and i really need somebody to tutor me so i can pass this already i take it in two days, i have the ged book and i know what topics confuse me

[tall fjord]

bro i cant be online everytime but u can text anytime if you want help

I could explain a topic as well if you want

[trim shell]

If your in Highschool I also can try to help you.

[visual wasp]

okay

im having trouble with finding slope, finding slope in equations, determining functions

[visual wasp]

im supposed to be a senior right now

[uncut mortar]

are you being asked to find the slope of linear equations (like mx+b or ax + by = c form), or non-linear equations like x^2?

[visual wasp]

yes

[uncut mortar]

yes which one?

[visual wasp]

the first one

[uncut mortar]

well in that case its very simple dont worry

pick any 2 points on the graph of your equation
say we'll pick the points...

(1,2) , (2,4)

we do
(y2 - y1)/(x2-x1) to find how much the y changes when we change x

so here y2 is the y value of the second point which is 4 , y1 is the y value of the first point which is 2
x2 is the x value of the second point which is 2, x1 is the x value of the first point which is 1

so pluggin those in we get
(4-2)/(2-1) = 2/1 = 2

so the slope here is 2

and if youre given a linear equation in the form
y = mx + b
Then its alot simpler, the slope is just m

ie if y = 5x + 2 then the slope is 5 because thats what we're multiplying x by

now for the determining functions, what types of functions are you being asked to determinate? linear? quadratic? cubic? trigonometric? or all of them?

[visual wasp]

linear and quadratic

[uncut mortar]

ok youre given graphs and have to determine them based on the graphs right?

[visual wasp]

yes

[uncut mortar]

ok well lets start with linear functions since those are easier

lets try to determine the equation of this graph

or actually that picture isnt very clear mb let me get a better one

so lets determine the slope using the formula i told you about
lets pick the 2 points (0,2) and (1,7)

plugging them into the formule we get (7-2)/(1-0) which is just 5

so that means the slope aka the m part of y = mx + b is 5

now we need to figure out b

we can see that when x = 0, y = 2

so the b part must equal 2 since when x = 0 the mx part doesnt matter so y is just b and in this case y is 2 so b is 2

so the formula is y = 5x + 2

does this make sense?