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

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Tutors Answer Your Questions about Linear-equations (FREE)


Question 475077: Write the equation of the line which passes through (–4, 2) and is parallel to y = –x + 6 in slope-intercept form.
i'm not sure how to start and cant find any problem simlar to this.

Click here to see answer by Alan3354(30959) About Me 
Question 475077: Write the equation of the line which passes through (–4, 2) and is parallel to y = –x + 6 in slope-intercept form.
i'm not sure how to start and cant find any problem simlar to this.

Click here to see answer by lwsshak3(6463) About Me 

Question 475157: I need help solving this equation 0.15x-28
Click here to see answer by rfer(12644) About Me 

Question 475167: Given f(x) = –5x + 3, find f(a + 1).
Click here to see answer by MathLover1(6614) About Me 

Question 475340: Find the slope if it exists of the line containing the pair of points (1,8) and (9, -6)
Click here to see answer by mananth(12270) About Me 

Question 475493: How do you find (f - g)(x) for f(x) = x2 + 10x, and g(x) = - 5x + 3 ?
Click here to see answer by Theo(3458) About Me 

Question 475564: I am having a very hard time with Algebra and this really has my mind boggled...please help????? Find the slope if it exists, 5x + 6Y = 30
Click here to see answer by ankor@dixie-net.com(15624) About Me 

Question 475578: whats the slope of the coordinates M (9,6), N(1,4) and whats the slope perpendicular to it

Click here to see answer by jim_thompson5910(28476) About Me 
Question 475578: whats the slope of the coordinates M (9,6), N(1,4) and whats the slope perpendicular to it

Click here to see answer by MathLover1(6614) About Me 

Question 475584: find the x-and y-intercepts for the equation 2x-4y=1 show all work then graph the equation
Click here to see answer by jim_thompson5910(28476) About Me 

Question 475577: Given the linear equation y= 6x+2 find the y-coordinates of the points(-1),(-2),& (1). Please show all work. Plot these points & gaph the linear equation.
Click here to see answer by mananth(12270) About Me 

Question 475641: HOW DO I FIND THE ORDERED PAIRS FOR Y=X^2 -4
Click here to see answer by Alan3354(30959) About Me 

Question 475687: My teacher wants us to plott each problem at least 5 times. I don't understand how to plott. can you show me how to plot for this problem? y=2x+4
Thank you.

Click here to see answer by jim_thompson5910(28476) About Me 

Question 475669: Given the linear equation y = -2x – 4, find the y-coordinates of the points (0, ), (-1, ), and (2, ). Please show all of your work. Plot these points and graph the linear equation. Submit your graph through the dropbox.
Click here to see answer by mananth(12270) About Me 

Question 475661: fifteen band members from a school were selected to play in the state orchestra. twice as many students who play a wind instrument were selected as students who play a string or pecussion instrument combined. Of the students selected, one fifth play a string instruments. how many of the students selected play each type of instrument/
Click here to see answer by lwsshak3(6463) About Me 

Question 475662: Write an equation for a graph with points of: (-8,-7)(0,-7)(8,-7)
Click here to see answer by Alan3354(30959) About Me 
Question 475662: Write an equation for a graph with points of: (-8,-7)(0,-7)(8,-7)
Click here to see answer by richard1234(5390) About Me 

Question 475864: I am having a hard time with Algebra and need some help I have to graph and Identify the Y-intercept y=1/2 +5
Click here to see answer by Alan3354(30959) About Me 

Question 475995: Can you show me how to solve the following? It says write an equation of the line that goes through the point (-8,7) and is perpendicular to the line -4x+3y=11.
Click here to see answer by Tatiana_Stebko(1326) About Me 

Question 476118: I was looking on a website that teaches linear algebra and it had this problem:
(3x - 15)/(2x + 1) = 0
And it says the answer is: x = 5
But I don't understand how to get that answer so I was hoping someone can give me step by step directions for it.

Click here to see answer by ankor@dixie-net.com(15624) About Me 
Question 476118: I was looking on a website that teaches linear algebra and it had this problem:
(3x - 15)/(2x + 1) = 0
And it says the answer is: x = 5
But I don't understand how to get that answer so I was hoping someone can give me step by step directions for it.

Click here to see answer by richard1234(5390) About Me 

Question 476130: What is the difference between intersecting and perpendicular and parallel lines and can two lines exist that are not intersecting or parallel?
Click here to see answer by tinbar(128) About Me 

Question 476098: Find and label the vertex and the line of symmetry. Graph the function.
f(x)=(x+2)^2
What is the ordered pair?

Click here to see answer by stanbon(57222) About Me 

Question 476140: How do I find the slope of the line:
line parallel to y=3

Click here to see answer by rfer(12644) About Me 

Question 476146: How do I factor 4y^4-64?
Click here to see answer by MathLover1(6614) About Me 
Question 476146: How do I factor 4y^4-64?
Click here to see answer by rfer(12644) About Me 

Question 476142: The product of two consecutive positive integers is 156. How do I find their sum?
Click here to see answer by Alan3354(30959) About Me 

Question 476135: I was wondering if you could help me learn how to simplify negative exponents in an equation and make it positive. For example,
(x^-1/y^2)*2

Click here to see answer by ankor@dixie-net.com(15624) About Me 

Question 476154: I am very lost in this subject and I do need help and plenty of it as I get very flustered to say the least,If someone can help it would be greatly appreciated. With the questions I am about to ask I cam up with (0,5) The question is as follows:
1 Graph equation and identify Y Intercept Y=1/2 x +5
2. Graph by plotting points X=2
3 Graph the equation and plot points Y=1/5x

Click here to see answer by josmiceli(9649) About Me 

Question 476138: How do I write the equation of a line that is perpendicular to y=7x+2 and passing through the origin?
Click here to see answer by solver91311(16868) About Me 

Question 476271: The cost of driving a car includes both fixed costs and mileage costs. Assume that it costs $164.30 per month for insurance and car payments and $0.35 per mile for gasoline, oil, and routine maintenance.
(a). Find values for m and b so that y = mx + b models the monthly cost of driving the car x miles.
(b). What does the value of b represent?

Click here to see answer by josmiceli(9649) About Me 

Question 476331: I need help finding and labeling the vertex and the line of symmetry.
f(x)=(x+3)^2
The vertex is an ordered pair.

Click here to see answer by Alan3354(30959) About Me 

Question 476336: I am trying to find the slope and y-interceptor for the equation
5y + 9x +5 = 17 + 9x
Any help in doing the equation is appreciated !

Click here to see answer by jorel1380(2518) About Me 
Question 476336: I am trying to find the slope and y-interceptor for the equation
5y + 9x +5 = 17 + 9x
Any help in doing the equation is appreciated !

Click here to see answer by stanbon(57222) About Me 

Question 475585: solve problem: a ceiling in a new house rises 8 ft. over a distance of 29 st. find the slope of the ceiling. Round your answer to two desimal places
Click here to see answer by bucky(2189) About Me 

Question 476446: School Lunch Program: In 1970, 22.4 million students participated in the national school lunch program. By 2000, this number increased to 27.2 million students. (a) Find the slope of the line passing through the points (1970, 22.4) and (2000, 27.2). (b) Interpret the slope as a rate of change. (c) If this tend continues, estimate the number of participants in 2005.
Click here to see answer by josmiceli(9649) About Me 

Question 476496: Stan Karpinski is the kicker for the New York Giants. As a kicker, he can score two ways. A field goal is worth 3 points and the extra point after the touchdown is worth 1 point. Stan has scored 30 points with 16 kicks. How many of his kicks were field goals, and how many were extra points
Click here to see answer by stanbon(57222) About Me 

Question 476494: The Union Square Cinema charges $9 for an adult ticket and $4 for a child’s ticket. Last Saturday, the entire 1020 seat cinema was sold out. The total ticket receipts for the evening were $7680. How many of each type ticket were sold?
Click here to see answer by mananth(12270) About Me 

Question 476461: What is the equation of the line passing through (4,-1) and parallel to y=5x+6?
Click here to see answer by mananth(12270) About Me 

Question 476450: How do you graph x=y^2?
Click here to see answer by richard1234(5390) About Me 

Question 476529: Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work. 3x-6y= -21
Click here to see answer by robertb(4012) About Me 
Question 476529: Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work. 3x-6y= -21
Click here to see answer by ccs2011(207) About Me 

Question 476526: determine if -3/10, 2 is a solution to 10x-9y=15
Click here to see answer by richard1234(5390) About Me 

Question 476527: Given the linear equation , find the y-coordinates of the points (-8, ), (-4, ), and (4, ). Please show all of your work. Plot those points and graph the linear equation.
Click here to see answer by richard1234(5390) About Me 

Question 476460: What is the equation of the line that passes through (-2,0) and is perpendicular to y=3x+1?
Click here to see answer by mananth(12270) About Me 

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