Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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Question 343239: a-7=4
Click here to see answer by nyc_function(2733)

Question 343187: Find an equation of the line containing the points (3,5) and (9,9)

Click here to see answer by nyc_function(2733)

Question 343313: explain how to determine if an ordered pair is the solution to a system of linear equations. Give an example and explanation.
Click here to see answer by Fombitz(13828)

Question 343285: how do I graph (0,2), m=0
Click here to see answer by edjones(7569)

Question 343314: describe the different number of solutions to a system of linear equations. Explain how you can determine the number of solutions by looking at the graph of a system of linear equations.
Click here to see answer by solver91311(16868)

Question 343431: write in standard form an equation of the line passing through the given point with the given slope.
slope = -8; (-2,-2)
Click here to see answer by solver91311(16868)

Question 343480: The question is: You can find the years of Napoleon's birth and death by solving the following system: 3x-2y=1665 and -4x+3y=-1613. Napoleon crossed the Alps in 1797. How old was he when he crossed the Alps?
Click here to see answer by haileytucki(390)

Question 343122: x/2+x/3=20
all it says is solve each equation or inequality.
Click here to see answer by Fombitz(13828)

Question 343493: linear function
state the slope
f(x)=2x-4
Click here to see answer by Fombitz(13828)

Question 343549: The length of a rectangle is 4 inches more than 3 times the width. The perimeter is 72 inches. Find the length and width.
Click here to see answer by checkley77(12569)

Question 343620: solve the equation for y
3(3-y)
______________ =-y
5
Click here to see answer by solver91311(16868)

Question 343755: find the equation of the line which passes through the point (3,-7) and is parallel to the line 5x+y=13
Click here to see answer by jim_thompson5910(28476)

Question 343802: My name is Jessica, thank you in advance for your time. My son received a math worksheet for homework with little instruction. It seems as though there is not enough information to answer the question. Any help is greatly appreciated so that I may better explain it to my son.
Here is the question verbatim:
Make a tally chart for the number of students in the third, fourth, and fifth grade classes: 26, 25, 27, 27, 26, 28,27
Again, thank you!!
Sincerely~ Jessica P.
Heven.cent@gmail.com
Click here to see answer by Alan3354(30924)

Question 343859: What is the slope of the line: 3x – y = 6
Click here to see answer by Fombitz(13828)

Question 343686: What would A=bh(b1+b2) solve for h.
Click here to see answer by Fombitz(13828)

Question 343602: how do you solve the system of equations by graphing. The question is x+y=7 and x-y=-1
Click here to see answer by Fombitz(13828)

Question 343663: Find an equation of the line that passes through the origin and is parallel to the graph of the function below. Write the equation in slope-intercept form.
y=-3/2x-7
Click here to see answer by Fombitz(13828)

Question 343910: Find the equation of the line through (20,-5) which is perpendicular to 2x+5y=8.
Click here to see answer by Fombitz(13828)

Question 344020: find three speciific solutions of the linear equation 3x-2y=12?
Click here to see answer by Fombitz(13828)

Question 344025: Rewrite each of the following linear equations to express y as a function of x. Determine the slope and y-intercept for the gragh of the solution set of each equation.
A. 2x+y=6 B. 8x-5y=20 C. -4x-3y=15
Click here to see answer by ewatrrr(10682)

Question 344093: p=mt+b(y=mx+b)
i chose 15 a my population increase per year and the population of 2000 t =years from 2010
so far i have
p=15T+b
p=15t+2000
what do i do with the rest of the equation(y=mx+b)?
the assignment has the years of 0,1,2,3,6 which year do i use i am very confused.
Click here to see answer by solver91311(16868)

Question 344136: Write the equation of the line that passes through the given point and is parallel to the given line. Write the answer is slope-intercept form.
Click here to see answer by Alan3354(30924)

Question 344155: P=7t^2+2000
2000 is my choice of population
where t is the time in years from 2010, which are as follows 0,1,2,3,6
so do i insert the years listed then square root them
p=7*0^2+2000=
7*0+2000=
0+2000=2000 that would be for the year 0
Click here to see answer by nerdybill(6948)

Question 344292: passes through (0,3), parallel to graph of 6y-10x = 30
Click here to see answer by Fombitz(13828)

Question 344435: write an equation for Mr. Marlow's sponsors will pay $27 regardless of how far he walks. And what is the slope and y-intercept.
Click here to see answer by Fombitz(13828)

Question 344424: Find the inclination of a line perpendicular to y = x - 3.
A ) 45 degrees B ) 60 degrees C ) 135 degrees D ) 90 degrees

Click here to see answer by Fombitz(13828)

Question 344447: 3a-4b=-22
-3a+b=0

solve by substitution!!
i need help
Click here to see answer by Fombitz(13828)

Question 344447: 3a-4b=-22
-3a+b=0

solve by substitution!!
i need help
Click here to see answer by vleith(2825)

Question 344500: Trying to solve the following (linear equation):
y=-x
Click here to see answer by Alan3354(30924)

Question 344510: a right triangle has one vertex at the origin and the third on the positive x-axis at (x,0). Express the area A of the triangle as a function of x.
Click here to see answer by stanbon(57203)

Question 344543: 2y+11=-7
graph the following linear equation
Click here to see answer by Fombitz(13828)

Question 344545: write the equation in standard form of the line that goes through the point (2,7) and has a slope of -2/3
Click here to see answer by Fombitz(13828)

Question 344545: write the equation in standard form of the line that goes through the point (2,7) and has a slope of -2/3
Click here to see answer by JBarnum(2044)

Question 344547: write the equation in point slope form of the line that has a slope of 5/4 and an x-interccept of -3
Click here to see answer by vleith(2825)

Question 344138: Write the equation of the line that passes through the given point and is parallel to the given line. Write the answer is slope-intercept form. (4,-2), x = 5/4y - 2
Click here to see answer by Fombitz(13828)

Question 344544: find the slope of the line that goes through the points: (1/2, 3) (1/3, -2)
Click here to see answer by Fombitz(13828)

Question 344502: If the linear equation y=.15x+.79 represents an estimate of the avereage cost of gas for year x starting in 1997. What does the y-intercept represent?
Click here to see answer by JBarnum(2044)

Question 344618: Use point-slope form to write the equation of the line with the properties.m = 2, passing through P (3, 4) Write the answer in slope-intercept form
Click here to see answer by crbarnett8(3)

Question 344636: Write an equation of the line L passing through (2,2) and is perpendicular to y=3x+2. Put your answer in Standard Form.
Click here to see answer by Fombitz(13828)

Question 344672: find the slope and y-intercept of the line. write fraction answer in lowest terms. 8y+6x+9=18+6x
Click here to see answer by vleith(2825)

Question 344729: How do I write the equation of the line that goes through the point (-6,8) and is parallel to the line 10x - 15y = -12
Click here to see answer by ewatrrr(10682)

Question 344675: find the slope, if it exists, of the line containing the pair of points.
(7,10) and 9, -2) the slope m=____. (simplify your answer. Type an integer or a fraction.)
Find the slope, if it exists,of the line containing the pair of points. (-12,-17) and (-18,-20)
The slope is ___. (type an integer or a simplified fraction.)
Click here to see answer by ewatrrr(10682)

Question 344788: i need help solve by elimation method: 5x+6y=4 and 10x+12y=8
thank you
Click here to see answer by Alan3354(30924)

Question 345009: Find in standard form, the equation of the line with slope 4 and y-intercept 3/5
Click here to see answer by Fombitz(13828)

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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