Solve for m.-7 + 4m + 10 = 15 -2m
2 answers:
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For this case we have that by definition, the point-slope equation of a line is given by:
Where:
It is a point through which the line passes
m: It is the slope of the line
According to the data we have to:
Substituting:
Finally, the equation of the line is:
ANswer:
ANSWER
The correct answer is A
{}
<u>EXPLANATION</u>
This implies that
We solve the compound inequality to obtain,
Remember that, dividing through by negative 1 reverses the inequality sign
The solution set is
{}
Do recall that squaring and the *radical sign* cancel each other out... like so:(
)
= a
When you put it that way, it isn't enough :P
()= a
(
)=?
so you start with
()= 
8x+1=25 <-- subtract 1 to both sides
8x=24 <- divide 8 to both sides
x= 3
To find out if it's an extraneous solution ask yourself: It mustn't result in a radical that I like to call... 'illegal'. Plug it into the radicand 8x+1 and make sure you get something that is not a negative number.... so, DO you get a negative number when you plug in x = 3 into the radicand?
(extraneous solution is a invalid solution)
x=3 not extraneous
When you put it that way, it isn't enough :P
(
(
so you start with
(
8x+1=25 <-- subtract 1 to both sides
8x=24 <- divide 8 to both sides
x= 3
To find out if it's an extraneous solution ask yourself: It mustn't result in a radical that I like to call... 'illegal'. Plug it into the radicand 8x+1 and make sure you get something that is not a negative number.... so, DO you get a negative number when you plug in x = 3 into the radicand?
(extraneous solution is a invalid solution)
x=3 not extraneous