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Horizontal Intercept?
Does a slope-intercept form always have a horizontal intercept?
If so how do you find it?
Heres an example problem. y= -2.2/6x + 16.1
Thank you two. Thats the answer I got but I just wanted to check, because I never heard of a horizantal intercept. And the question asked if the equation has one, so i wasn't sure if they always did have one
3 Answers
- BigfootLv 71 decade agoFavorite Answer
Any line with a non-zero slope has a x (or horizontal) intercept (a line with 0 slope has no x intercept, since it is parallel to the x-axis and therefore never crosses it).
To find this intercept, set Y to zero, then solve your equation for x.
Here's a non-numerical example:
y = mx+b where m is the slope and b is the y-intercept.
Set y to 0:
0=mx+b
Subtract b from both sides:
-b=mx
divide both sides by m to get your x intercept
x = -b/m
- Andy SLv 61 decade ago
A slope intercept form is y = m*x+b
If m=0 and b<>0 then there will not be a horizontal intercept
ie: y = b<>0.
otherwise to find the intercept set y = 0
0 = -(2.2/6)*x+16.1
(2.2/6)*x=16.1
x = 16.1/(2.2/6) ~ 43.91
- Anonymous4 years ago
Equation of given line interior the intercept style could be written as (t/4) + (y/six hundred) = a million solutions: a) Vertical intercept of function c is six hundred b) Horizontal intercept of function c is 4 c) The area and variety is given via (0,six hundred) and (4,0)