GED Math 3.1 Graphs and Functions

GED Math 3.1 Graphs and Functions. Complete the equation for the line.

AlgebraCoordinates and Graphs
GED MathGraphs and Functions
LanguageEnglish Language
Mathematical PracticeAbstracting Problems
Parallel and Perpendicular LinesEquations and Slopes of Lines

Transcript

00:25

Okay what is this question i want to know Well

00:27

we're giving the equation for a line most of one

00:30

anyway and we need to figure out what coefficient should

00:33

go before the x to give us a slope of

00:35

negative seven You might want to breathe a sigh of

00:38

relief right now because this one's pretty simple we don't

00:40

need to graph anything no combining like terms under that

00:43

business All we have to do is recognize that when

00:46

we have an equation written in this form the coefficient

00:49

of x is the slope In other words we just

00:52

plug in a seven The only potentially tricky part is

00:55

that we can't get sloppy and ignore the minus sign

00:57

in there We want a slope of negative seven so

01:00

we only need to put a regular old seven in

01:02

the blank and the minus sign alternate negative for us

01:05

If we plugged in negative seven the signs would cancel

01:09

and we'd be left with a slope of positive seven

01:11

which we don't want to Our answer is seven which 00:01:16.474 --> [endTime] incidentally is also a difficult thing to scheme