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

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 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 180264: Find the slope of the line between the points ( 2 , 6 ) and ( 4, -1 ). Click here to see answer by jim_thompson5910(28595)

 Question 180283: Find the equation of a line that goes through the point ( 3 , -5 ) and has a slope of 2. Write your answer in slope intercept form (that is when the equation is simplified and the y is isolated Click here to see answer by Mathtut(3670)

 Question 180282: Find the equation of a line that goes through the point ( 3 , -5 ) and has a slope of 2. Write your answer in slope intercept form (that is when the equation is simplified and the y is isolated Click here to see answer by ankor@dixie-net.com(15656)

 Question 180301: Kay spends 250 min/wk exercising. Her ratio of time spent on aerobics to the time spent on weight training was 3 to 2. How many minutes per week did she spend on aerobics? How many minutes per week did she spend on weight training? Click here to see answer by stanbon(57361)

 Question 180298: The equation d=7t + 30 represents the distance in km a person is from a given location at any time t in hours. \The speed of the person in km/h is \? Click here to see answer by Mathtut(3670)

 Question 180273: Find the equation of a line that goes through the point ( 3 , -5 ) and has a slope of 2. Write your answer in slope intercept form (that is when the equation is simplified and the y is isolated Click here to see answer by elima(1433)

 Question 180499: There is a flat fee x plus y dollers for every hour A person used 4 hours and had a fee of 63 another person used it for 6 hours and had a fee of 87 What is the value of the flat fee (x) and additional fee (y) Please explain steps Click here to see answer by stanbon(57361)
 Question 180499: There is a flat fee x plus y dollers for every hour A person used 4 hours and had a fee of 63 another person used it for 6 hours and had a fee of 87 What is the value of the flat fee (x) and additional fee (y) Please explain steps Click here to see answer by Mathtut(3670)

 Question 180497: I have a question involving Algebra 1 A rental company charges a flat fee of x dollers plus y dollers per hour used one customer used 4 hours and had a fee of 63 dollers Another stayed for 6 hours and had a fee of 87 dollers Please explain what steps i should take first and what method i must use. please explain Click here to see answer by Mathtut(3670)

 Question 180557: someone asked for my help. they said they needed help with linear equations which i feel i can help them with but what are recurring sequences and routines? can you give me an example or a site that would explain it? thanks much. i appreciate it. s Click here to see answer by stanbon(57361)

 Question 180579: The sum of two integers is 15. Their product is 9 more than the difference of their squares. Find the integers. Click here to see answer by HyperBrain(694)

 Question 180685: Here is the question: 2x+y=4 I have to find the y intercept of this equation. Is the y intercept of this equation 4? Click here to see answer by Earlsdon(6287)

 Question 180688: Here is the question: 5x+2 I have to put this into standard form but I'm not sure how to do it. Click here to see answer by Alan3354(30993)

 Question 180714: Solve the system of equations using the addition (elimination) method. If the answer is a unique solution, present it as an ordered pair: (x,y). If not, specify whether the answer is "no solution" or "infinitely many solutions" and state how you arrived at that conclusion. 4x + 10y = 2 3x + 5y = 5 Click here to see answer by jim_thompson5910(28595)

 Question 180713: Solve the system of equations using the addution (elimination) method. If the answer is a unique solution, present it as an ordered pair: (x,y). If not, specify whether the answer is "no solution" or "infinitely many solutions" and state how you arrived at that conclusion. 3x - 11y = 9 -9x + 33y = -27 Click here to see answer by jim_thompson5910(28595)

 Question 180704: Write the equation of the line through the point (4,0) and perpendicular to the line x-3y=0. Click here to see answer by jim_thompson5910(28595)

 Question 180719: i need to find the x and y of 2x+y=4, by using 0,2,4 and make a graphs Click here to see answer by vleith(2825)

 Question 178788: in these two equations, f(x) + 9.0 - x h(x) + -14 + 70 how do i identify the slope, m, and the vertical intercept, b? Click here to see answer by Lj(2)

 Question 180809: Use the given conditions to write an equation for the line in the indicated form. Passing through (5, -3) and parallel to the line whose equation is y = -3x + 9; slope-intercept form Click here to see answer by jim_thompson5910(28595)
 Question 180809: Use the given conditions to write an equation for the line in the indicated form. Passing through (5, -3) and parallel to the line whose equation is y = -3x + 9; slope-intercept form Click here to see answer by eperette(173)
 Question 180809: Use the given conditions to write an equation for the line in the indicated form. Passing through (5, -3) and parallel to the line whose equation is y = -3x + 9; slope-intercept form Click here to see answer by mgmoeab(28)
 Question 180809: Use the given conditions to write an equation for the line in the indicated form. Passing through (5, -3) and parallel to the line whose equation is y = -3x + 9; slope-intercept form Click here to see answer by sanjoy259(2)

 Question 180821: Can you please help me. I am very confuse with this problem. The accompanying table shows the percent of the adult population that married before age 25 in several different years. Using the year as the independent variable, find the linear regression equation. Round the regression coefficients to the nearest hundredth. Using the equation found above, estimate the percent of the adult population in the year 2009 that will marry before age 25, and round to the nearest tenth of a percent Year(x) Percent (Y) 1971 42.4 1976 37.4 1980 37.1 1984 34.1 1989 32.1 1993 28.8 1997 25.7 2000 25.5 thank you very much! Click here to see answer by stanbon(57361)

 Question 180855: write y=3x in slope-intercept form and standard form y=3x+0 Click here to see answer by Mathtut(3670)

 Question 180954: what is the substitution method of y=2x-1 and y=-3x+4 Click here to see answer by Alan3354(30993)

 Question 181041: what is the slope=3 and passes througth (5,-2).so what is the solutions? Click here to see answer by scott8148(6628)

 Question 180952: what is the substitution method of x+y=-2 and 2x-y=-4 Click here to see answer by ptaylor(2048)

 Question 181138: I need some help with this problem y=2x+9 y=7x+10 Since they are both already solved for "y" how does the substitution process work with this problem. Please show me step by step how to come up with the answer. Thanks in advance to anyone who can help me with this problem!!! Click here to see answer by solver91311(16897)

 Question 181157: I need to solve this problem by the substitution method. I cannot figure out how to get the answer shown in the back of the book. The problem is: x+4y=14 2x-y=1 Here are some of the ways I tried to solve it; x(2x + 1) + 4y = 14 2(14-4y)-y=1 I tried moving the equation around like: y=2x +1 and x=14-4y. I have spent over 2 hours on this question. The answers in the book are (2,3). Please help!! Click here to see answer by Alan3354(30993)
 Question 181157: I need to solve this problem by the substitution method. I cannot figure out how to get the answer shown in the back of the book. The problem is: x+4y=14 2x-y=1 Here are some of the ways I tried to solve it; x(2x + 1) + 4y = 14 2(14-4y)-y=1 I tried moving the equation around like: y=2x +1 and x=14-4y. I have spent over 2 hours on this question. The answers in the book are (2,3). Please help!! Click here to see answer by stanbon(57361)
 Question 181157: I need to solve this problem by the substitution method. I cannot figure out how to get the answer shown in the back of the book. The problem is: x+4y=14 2x-y=1 Here are some of the ways I tried to solve it; x(2x + 1) + 4y = 14 2(14-4y)-y=1 I tried moving the equation around like: y=2x +1 and x=14-4y. I have spent over 2 hours on this question. The answers in the book are (2,3). Please help!! Click here to see answer by solver91311(16897)

 Question 181170: How do I create a table if I only have y=3 Click here to see answer by eperette(173)

 Question 181172: i need help with this this homework i dont understand anything here are the problems......... 1)x-12equals 0 2) x equals 3 _ -8 Click here to see answer by Alan3354(30993)

 Question 181218: Systems of Equations: Elimination Method 25x = 91 - 16y 16y = 64 - 16x Click here to see answer by HyperBrain(694)

 Question 181324: how do i find the x-intercept when the problem is y=xplus2 Click here to see answer by ptaylor(2048)

 Question 181327: I have to find the equation of a line, given the slope and a point on the line, use the point-slope form of an equation of a line: slope=-4 passing through (-5,-2) Click here to see answer by Alan3354(30993)

 Question 181329: Find the slope of the line passing through the pair points or state that the slope is undefined. 1) (6,8) and (4,9) Find the slope of the line. 1) y=-2/5x-7 Find the y-intercept. 1) y=-6x Click here to see answer by Alan3354(30993)

 Question 181370: I need to figure out how to find the linear relationship in a table. I was gone while my class learned half the chapter, and my quiz is tomorrow. Please help! (by the way, this is at a 7th grade level) Click here to see answer by Mathtut(3670)

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