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Linear equation the line has a y intercept of 3 and an x intercept of -5

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  • Anonymous Mar 21, 2014

    I can't find a solution on any other site for how to find the y intercept in an equation.

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Y= (3/5)x + 3

Posted on Mar 21, 2008

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How to solve and graph the equation 4x+y+0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

Oct 27, 2016 | Office Equipment & Supplies

1 Answer

How do I graph 4x+y=0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

Oct 27, 2016 | Office Equipment & Supplies

1 Answer

A linear equation is given below. Determine the steps to solve the equation for its inverse. y=6x+24


Step 1 - replace each x with a y and replace each y with an x
x=6y+24
Step 2 - Solve for y to get the equation in the slope intercept form y=mx+b
Step 3 - get the 24 to the other side by subtracting 24 for both sides
x-24=6y + 24 - 24
Simplify
x - 24 = 6y
Divide by the coefficient in front of the y to get y by itself.
x/6 - 24/6 = y
x/6 -4 = y

Write in the normal format by switching the sides.

y = x/6 - 4

Good luck.

Paul

May 07, 2016 | Office Equipment & Supplies

1 Answer

Write the slope intercept form of the equation of the line through the given point (-2, -3), slope=1/2


The "slope intercept form of the equation of a (the) line" is y=mx+b, where m is the slope of the line and b is the y-intercept.

We are given the slope of 1/2, so m= 1/2.

We can now write y=1/2 x + b.

Since the point (-2,-3) is on the line, we can substitute it in and solve for b. We put the -2 in for x and -3 in for y.

-3 = 1/2(-2) +b
-3 = -1 + b
-3 + 1 = -1 + b +1
-2 =b

Thus, the equation of the line is y= 1/2 x -2

To check if we did this correctly, plug in the point (-2, -3) to see if it works.
Left Side Right Side
-3 = 1/2 (-2) -2
= -1-2
= -3


Feb 24, 2015 | Office Equipment & Supplies

1 Answer

Determine the x and y intercept of the graph for each equation. 5x-y=-5 And -3x+2y=7


5x-y=-5 answer x=-1, y= 5 http://www.wolframalpha.com/input/?i=Determine+the+x+and+y+intercept+of+the+graph+for+equation%3A+5x-y%3D-5

-3x+2y=7 answer x = -7/3, y = 7/2 http://www.wolframalpha.com/input/?i=Determine+the+x+and+y+intercept+of+the+graph+for+equation%3A+-3x%2B2y%3D7

Feb 23, 2015 | Office Equipment & Supplies

1 Answer

What is a dependent variable


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

1 Answer

How can i solve a linear equation on the TI-30 II


What do you mean by "solve"? Find the x- or y-intercept? Find the slope? Find the value of y for a given x?

Mar 06, 2013 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Y=x(x+2)(x-3) , find the x and y intercepts


Use the definitions of the intercepts.

The y-intercept (or initial value) is the value of the function (y-value) when x=0.
To find the y-intercept, substitute 0 for x: y= (0)(0+2)(0-3)=0
For a true function there is ONLY one y-intercept, which is the y-coordinate of the point where the curve cuts the y-axis.

The x-intercepts are also called zeros or roots. They are the values of the abscissa x when y=0. To find the x-intercepts, set y=0 in the equation of the curve ans solve for x.
0=x(x+2)(x-3)
This is a cubic equation and its roots are x=0, x=-2, and x=3. Remember that a product of factors is equal to 0 if any of the factors is =0.

Aug 08, 2012 | Office Equipment & Supplies

1 Answer

I knowi can find a linear equation if i have: two points {for example A(0,0) and B(1,1) the equation is y=x} or one point {for example C(0,2)} and a slope {for example m=2) the equaton is y=2x+2 can my...


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.

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

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