Tutors Answer Your Questions about Linear-equations (FREE)
Question 1199725: Given f(x) = 3x - 1, and g(x) = -2 • f(x) - 1. Describe the transformations(list them) and write the new simplified equation for g(x)
(I am resubmitting this question because I accidentally entered the wrong information for the question. Please disregard the other similar question.)
Click here to see answer by Shin123(626)   |
Question 1199810: Set up a system of simultaneous equations to solve the following problem:
(equations must be in standard form and must not contain any fractions or decimals)
1. Jenny and Lisa agreed to form a partnership. The partnership agreement requires that Lisa invest $2,751.00 more than three-fourths of what Jenny is to invest. If the partnership's capital is to be $51, 107.00, how much should Lisa invest?
Click here to see answer by josgarithmetic(39617) |
Question 1200181: Mark put last year's bonus of
$2,800 into two accounts. He
invested part in a CD with
2.2% annual interest and the
rest in a money market fund
with 2.9% annual interest. His
total interest for the year was
$67.20. How much did he invest in each account?
Click here to see answer by josgarithmetic(39617) |
Question 1200219: a local dairy association enlists the help of a marketing research firm to predict the demand for milk. the research firm finds that the local demand for milk can be predicted by the equation g = -4,000p + 10,000, where p represents the price per quart (in dollars) and g represents the number of quarts purchased per week. (a) graph the equation. (b) identify the slope and q intercept.o oil (s , -) bris (8.6--) (c) interpret the meaning of the slope and g intercept in this application.
Click here to see answer by josgarithmetic(39617) |
Question 1200220: a local dairy association enlists the help of a marketing research firm to predict the demand for milk. the research firm finds that the local demand for milk can be predicted by the equation g = -4,000p + 10,000, where p represents the price per quart (in dollars) and g represents the number of quarts purchased per week. (a) graph the equation. (b) identify the slope and q intercept.o oil (s , -) bris (8.6--) (c) interpret the meaning of the slope and g intercept in this application.
Click here to see answer by josgarithmetic(39617) |
Question 1200254: Find the equation of the line through the point (5,0) and perpendicular to the line y=(4x/3)+5. Express the equation of the line in slope-intercept form, y=mx+b.
So I am assuming that I need to put the points (5,0) into the y=mx+b so I did that. 0=(4/3)(5/1)+b and solved.
0=(20/3)+b so then I solved again so is b=-(20/3)?
I don't know what part of this I am doing wrong but I want to make sure I understand the content. Any help is greatly appreciated :)
Click here to see answer by Alan3354(69443)  |
Question 1200254: Find the equation of the line through the point (5,0) and perpendicular to the line y=(4x/3)+5. Express the equation of the line in slope-intercept form, y=mx+b.
So I am assuming that I need to put the points (5,0) into the y=mx+b so I did that. 0=(4/3)(5/1)+b and solved.
0=(20/3)+b so then I solved again so is b=-(20/3)?
I don't know what part of this I am doing wrong but I want to make sure I understand the content. Any help is greatly appreciated :)
Click here to see answer by ikleyn(52781)  |
Question 1200256: Find the equation of the line through the point (6,6) and parallel to the point y=6-(x/2). Express the equation of the line in slope-intercept form, y=mx+b.
My first step was to put the (6,6) into y=mx+b
6=-(1/2)(6)+b -> 6=-(6/2)+b -> b=(18/2)? so then y=-(1/2)x+(18/2)
If someone wouldn't mind going over the work I would greatly appreciate it :)
Click here to see answer by Alan3354(69443) |
Question 1200256: Find the equation of the line through the point (6,6) and parallel to the point y=6-(x/2). Express the equation of the line in slope-intercept form, y=mx+b.
My first step was to put the (6,6) into y=mx+b
6=-(1/2)(6)+b -> 6=-(6/2)+b -> b=(18/2)? so then y=-(1/2)x+(18/2)
If someone wouldn't mind going over the work I would greatly appreciate it :)
Click here to see answer by ikleyn(52781) |
Question 1200256: Find the equation of the line through the point (6,6) and parallel to the point y=6-(x/2). Express the equation of the line in slope-intercept form, y=mx+b.
My first step was to put the (6,6) into y=mx+b
6=-(1/2)(6)+b -> 6=-(6/2)+b -> b=(18/2)? so then y=-(1/2)x+(18/2)
If someone wouldn't mind going over the work I would greatly appreciate it :)
Click here to see answer by math_tutor2020(3816) |
Question 1200253: Find the value of K so that the two lines are perpendicular. Line one contains the points (-6,4) and (-2,5) and line two contains the points (-3,4) and (0,k).
I know I need to do y2-y1/x2-x1 so I did that for both of them and got (1/4) for the first line and (k-4/3) for the second line.
Here is where I need help because I don't know what to do next. Any and all help is greatly appreciated :)
Click here to see answer by htmentor(1343)  |
Question 1200253: Find the value of K so that the two lines are perpendicular. Line one contains the points (-6,4) and (-2,5) and line two contains the points (-3,4) and (0,k).
I know I need to do y2-y1/x2-x1 so I did that for both of them and got (1/4) for the first line and (k-4/3) for the second line.
Here is where I need help because I don't know what to do next. Any and all help is greatly appreciated :)
Click here to see answer by math_tutor2020(3816) |
Question 1200255: Find the equation of the line with a y-intercept of -2 and a slope of -(6/5). Express the equation of the line in slope-intercept form, y=mx+b.
So I know I need to put this into y=mx+b so
-2=-(6/5)(0)+b
Would this mean that b=-2? so then it would be y=-(6/5)x-2 as the answer?
Any help is greatly appreciated :)
Click here to see answer by josgarithmetic(39617) |
Question 1200271: Find the equation of the line through the points (-5,3) and (-6,-1). Express the equation of the line in slope=intercept form, y=mx+b.
So I know y2-y1/x2-x1 so I did that (-1-3/-6-(-5)=(-4/1)
y=mx+b so 3=-(4/1)(-5)+b
solved for that to get b=-17
y=(-4/1)x-17
Click here to see answer by josgarithmetic(39617) |
Question 1200271: Find the equation of the line through the points (-5,3) and (-6,-1). Express the equation of the line in slope=intercept form, y=mx+b.
So I know y2-y1/x2-x1 so I did that (-1-3/-6-(-5)=(-4/1)
y=mx+b so 3=-(4/1)(-5)+b
solved for that to get b=-17
y=(-4/1)x-17
Click here to see answer by greenestamps(13200)  |
Question 1200271: Find the equation of the line through the points (-5,3) and (-6,-1). Express the equation of the line in slope=intercept form, y=mx+b.
So I know y2-y1/x2-x1 so I did that (-1-3/-6-(-5)=(-4/1)
y=mx+b so 3=-(4/1)(-5)+b
solved for that to get b=-17
y=(-4/1)x-17
Click here to see answer by math_tutor2020(3816) |
Question 1200271: Find the equation of the line through the points (-5,3) and (-6,-1). Express the equation of the line in slope=intercept form, y=mx+b.
So I know y2-y1/x2-x1 so I did that (-1-3/-6-(-5)=(-4/1)
y=mx+b so 3=-(4/1)(-5)+b
solved for that to get b=-17
y=(-4/1)x-17
Click here to see answer by ikleyn(52781) |
Question 1200483: Find the point of intersection of the lines:
2x+y=3
x-4y=6
I tried doing elimination to solve this and it said it was wrong (I'll put my work below)
2x+y=3
-2(x-4y=-12)
------------
9y=-9
y=-1
------
2x+y=3
2x-1=3
2x=4
x=2
------
So that would mean y is -1 and x is 2? (2,-1)
Click here to see answer by josgarithmetic(39617) |
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