# 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 567187: find the slope of the line through each pair of points, if possible, and based on the slope, indicate whether the line through the points risess from left to right, falls from left to right, is horizonal, or is vertical (-4,1)and(-3,4)and (1.5,2.6)and(0.5,(3.6) Click here to see answer by stanbon(57346)

 Question 567435: Which is a parallel line to 3x-y=-9? -6x-y=-9 -x+3y=-9 -6x+2y=-9 -6x-2y=-9 Click here to see answer by josmiceli(9678)

 Question 567431: what is the slope intercept form of 7x+6y=1? Click here to see answer by nerdybill(6958)

 Question 567501: What is the equation of the line that passes through (-2,3)and is parallel to 2x+3y=6? Click here to see answer by mananth(12270)
 Question 567501: What is the equation of the line that passes through (-2,3)and is parallel to 2x+3y=6? Click here to see answer by nyc_function(2733)

 Question 567427: which of the following represents a lie perpendicular to 9x-3y=7? -81x-3y=7 -81x-27y=7 -3x+9y=7 27x+81y=7 Click here to see answer by mananth(12270)

 Question 567511: i have to graph the solution set y is less than 1/3 x -3. i know how to get y=0,-3 and m=1/3 i know how to graph those points but am stock after that, please help Click here to see answer by stanbon(57346)

 Question 567553: Passing through (-3,-5) parallel to the graph of 3x-2y=7 Click here to see answer by mananth(12270)

 Question 567591: Obtain an equation of a line with point -3,-2 & 1,7.show solution pls.thank you Click here to see answer by nerdybill(6958)

 Question 567748: Line A passes through the points (2k+3,4k-6) and (-2,16). Find the value of k, if line A has a slope of 0. Click here to see answer by josmiceli(9678)

 Question 567817: write an equation of the line containing the given point and perpendicular to the given line (0,6); 2x+5y=8 Click here to see answer by solver91311(16885)

 Question 567787: Find an equation of the line containing the given pair of points (2,5) and (6,7) Click here to see answer by jim_thompson5910(28595)

 Question 567863: linear equation whose graph has incicated slope and passes through given point, slope 6, point (-4,1) Click here to see answer by jim_thompson5910(28595)

 Question 567773: find an equation of the line that contains the following pair of points (4,1) (1,3) Click here to see answer by jim_thompson5910(28595)

 Question 567947: which equation describes a line with slope 12 and y intercept 4 Click here to see answer by Earlsdon(6287)

 Question 567977: Equation of the line perpendicular to 4x-6y=5 containing (4,2) -6y=-4x+5 y=-4/6x+-5/6 y=2/3x-5/6 m=2/3 y=-3/2x+b 2=-3/2(4)+b 2=-12/2+b 2=-6+b y=-3/2x+8 Find the coordinates of the point of intersection of the perpendicular lines in the problem above. Would love to see this step by step how to solve this, as I have many more problems just like it. Thank you so much! Joy Click here to see answer by KMST(1868)

 Question 568098: What is the equation in slope-intercept form of the line through (1,-3) that is perpendicular to y=5? Click here to see answer by Edwin McCravy(8909)

 Question 568170: Write an equation of the line containing the given point and perpendicular to the given live(5,9) 3x+y=4 Click here to see answer by mananth(12270)

 Question 568178: identify the slope and y-intercept of the line with the given equation y= -1/3x+6 Click here to see answer by richard1234(5390)

 Question 568280: The costs C and income I for making and selling T-shirts with a school logo are given by the equations C=\$535+4.50n and I=\$12n, where n is the number of T-shirts. a. How many T-shirts must be bought and sold to break even? Explain. I got that the answer to this one is \$72 as you cannot make 71.3 shirts. b. Suppose only 50 shirts are sold. Is there a profit or loss. I said Loss. C. Suppose the income is \$1,200. Is there a profit or loss. I said profit. WHERE I NEED HELP d. i. For each equation, find the coordinates of a point that lies on the graph of the equation. ii. What information does this point give? iii. Describe how to use the equation to see that the point will be on the graph. I can't remember how to put these equations on a graph. Please help. Thank you Click here to see answer by stanbon(57346)

 Question 568327: Help please: I have answered some already. Please correct me if I'm wrong. Mark the following statements involving exponents as 'True' or 'False'. 1) (x+y)^-2=x^-2+y^-2 --- False 2) (a^3)(a^5)=a^15 --- True 3) (b^2)^4=b^6 --- False 4) (xy)^3=x*y^3 --- False 5) [(a^2)b^5)]^3=ab^30 -- ??? Click here to see answer by Theo(3464)

 Question 568319: write an equation in the slope-intercept form for the line passing through (3, 5) and (8, 15) Click here to see answer by mananth(12270)

 Question 568372: 7x + 3y = -2 -7x - 7y = 14 Click here to see answer by mananth(12270)

 Question 568540: write an equation that describes the line that passes through [-3,1] and is parallel to the line described by y= 4x + 1 ? Click here to see answer by Tatiana_Stebko(1326)
 Question 568540: write an equation that describes the line that passes through [-3,1] and is parallel to the line described by y= 4x + 1 ? Click here to see answer by nyc_function(2733)

 Question 568739: What would be the easiest way to solve y = 2x - 2 and y =-x + 5 Click here to see answer by solver91311(16885)

 Question 568784: How do I figure out how to find the slope of the line containing the following points of (5/6,-2) and (-1/3, -1/3)? Click here to see answer by josmiceli(9678)

 Question 568796: What is the slope of each line that has the description given: y = 3/4x + 7 2x + 4y = 8 5.1476x + 5.1476 = 15 y - 3 = 7/13 (x-4) y - 7.3591 = 7/13 (x-4.0856) Click here to see answer by KMST(1868)

 Question 568908: Please asap Find the slope of the line. 3x - 2y = 1 A. -2/3 B. -1/2 C. 3/2 D. -3/2 Click here to see answer by jim_thompson5910(28595)

 Question 568918: write the equation of a line parallel to 4x+5y=20 and passing through (2,1) Click here to see answer by mananth(12270)

 Question 568907: Please asap Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x - 8y = -6 32x + 12y = -6 Click here to see answer by mananth(12270)

 Question 568910: A company predicts that it will sell y units of its product if it charges x dollars for it using the formula y=300-2.5x. In whole dollars, how much should the company charge for the product if it wants to sell 175 units. Click here to see answer by lwsshak3(6505)

 Question 568940: Ok So my question is very simple X-Y=3 X+Y=7 After I put it in slope intercept form I get -Y=-X+7 Y=-X+3 Ho do I get rid of that negative Y? Click here to see answer by Theo(3464)

 Question 569035: Write the equation of a line parallel to and passing through (2,1). Click here to see answer by Alan3354(30993)