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Posted on Jan 02, 2017

The equation of any straight line, called a linear equation, can be written as: **y** = mx + b, where m is the slope of the line and b is the **y**-**intercept**. The **y**-**intercept** of this line is the value of **y** at the point where the line crosses the **y** axis.

Graphing Equations and Inequalities Slope and intercept First Glance

Graphing Equations and Inequalities Slope and intercept First Glance

Feb 05, 2016 | Apple iPod touch

http://www.webmath.com/equline3.html

May 20, 2015 | Office Equipment & Supplies

A great tutorial: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-slope-intercept-form/v/linear-equations-in-slope-intercept-form

Mar 17, 2015 | math.com Computers & Internet

Assuming the 'standard form' is "slope-intercept", calculate the slope from the equation m = __y2-y1__ =__ 5 - 1__ = __ 4__ = -2

x2-x1 4 - 6 -2

The intercept can be found by substituting either of the two points into the equation y = mx + b

5 = (-2)4 + b

5 = (-8) + b

13 = b

(OR, using the other point, y = mx + b

1 = (-2)6 + b

1 = (-12) + b

13 = b )

Then expressing in general:

**y = (-2) x + 13**

x2-x1 4 - 6 -2

The intercept can be found by substituting either of the two points into the equation y = mx + b

5 = (-2)4 + b

5 = (-8) + b

13 = b

(OR, using the other point, y = mx + b

1 = (-2)6 + b

1 = (-12) + b

13 = b )

Then expressing in general:

Oct 10, 2014 | Computers & Internet

Use the statistics feature called linear regression to find the slope (m) and the intercept (b) then write the equation of the best line as y=mx+b

Mar 01, 2014 | Office Equipment & Supplies

Simplify and put it into slope-intercept form:

y=9x-15

From the above the slope is readily seen to be 9 and the y-intercept is -15.

If this is homework be sure to show your work.

y=9x-15

From the above the slope is readily seen to be 9 and the y-intercept is -15.

If this is homework be sure to show your work.

Nov 19, 2013 | Computers & Internet

That's a little difficult since there is no y in the equation.

Nov 19, 2013 | Computers & Internet

The equation of a straight line can be cast into several forms: functional form, general form, symmetrical form. The functional form is the one usually known as slope intercept form.

In the functional form, y=ax+b or sometimes y=mx+b, the factor of the x-variable (a or m as the case may be) is the slope of the straight line, and the value b, is the ordinate (y-value) of the point where the straight line cuts (intercepts) the y-axis.

Since you say nothing about the particulars of the line that interests you, there is not much more that anybody can help you with.

In the functional form, y=ax+b or sometimes y=mx+b, the factor of the x-variable (a or m as the case may be) is the slope of the straight line, and the value b, is the ordinate (y-value) of the point where the straight line cuts (intercepts) the y-axis.

Since you say nothing about the particulars of the line that interests you, there is not much more that anybody can help you with.

Mar 25, 2012 | SoftMath Algebrator - Algebra Homework...

x-intercept (or zero of the function)

Set y=0 in the equation and solve fo x: 2x-5(0)=20 and x=20/2=10

y-intercept (initial value)

Set x= 0 in the equation and solve for y: 2(0)-5y=20 and y=20/(-5)=-4

If the equation is in the slope-intercept form y=ax+b

1. y-intercept is b

2. To get the x-intercept ( zero of the function) Set y=0=ax+b, and x=-b/a

Set y=0 in the equation and solve fo x: 2x-5(0)=20 and x=20/2=10

y-intercept (initial value)

Set x= 0 in the equation and solve for y: 2(0)-5y=20 and y=20/(-5)=-4

If the equation is in the slope-intercept form y=ax+b

1. y-intercept is b

2. To get the x-intercept ( zero of the function) Set y=0=ax+b, and x=-b/a

Aug 27, 2011 | Texas Instruments TI-84 Plus Calculator

The general answer is no. However the calculator can be used to find the slope and the y-intercept. You write the formula for the rate of change (a) and use the calculator to calculate it. Then you use the formula to find the y-intercept.

If you have 2 points, you can use the 2 -var statistics program to find a linear regression.

If you have 2 points, you can use the 2 -var statistics program to find a linear regression.

Jul 05, 2011 | Casio FX-115ES Scientific Calculator

May 24, 2018 | Adobe Computers & Internet

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