# 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 54893: The newspaper said that only 42% of the registered voters voted in the school board election. If 11,960 people voted, how many registered voters are there? Write an equation. Click here to see answer by Nate(3500)

 Question 54906: The sum of two numbers is 75. The large number is 7 more than 3 times smaller. Find the numbers. Click here to see answer by Edwin McCravy(8909)

 Question 54889: Gina has \$2 more than three times the amount that Fred has. When Gina gabe Fred \$5, Fred then had one-half as much as Gina. How much did Gina have at first? Write an equation. Click here to see answer by Paul(988)

 Question 54855: 14. Find the slope and the y-intercept. y = 7x – 7 15. Find the slope and y-intercept. x = 1 A) Slope: 0; y-intercept: (0, 1) B) Slope: undefined; y-intercept: (0, 1) C) Slope: 0; y-intercept: none D) Slope: undefined; y-intercept: none No book. Thanks so much for your time!!!!!! Click here to see answer by funmath(2925)

 Question 54926: louisa is 3/4 as tall as Carla. The difference between their heights is .4 meters. How tall is each girl? Thank you Click here to see answer by tutorcecilia(2152)

 Question 54856: 16. Write the equation of the line with slope 5 and y-intercept (0, –8). A) y = –8x + 5 B) –8x + 5y = 0 C) y = 5x – 8 D) 5y = –8 No book. Thanks so much for your time!! Click here to see answer by elima(1433)

 Question 54873: write an equation in the point-slope form and the slope-intercept form..thanks slope=-5, passing through (-4, -2) Click here to see answer by funmath(2925)

 Question 54980: 20. Write the equation of the line with x-intercept (–1, 0) and undefined slope. A) y = –1 B) x = –1 C) y = –x D) x = 0 Thanks!!! no book Click here to see answer by funmath(2925)

 Question 54979: write the equation of the line that passes through (3,2) and is perpendicular to the line 5x+4y=11 Click here to see answer by funmath(2925)

 Question 54978: Write the equation of the line that passes through the points (3,5) and (-1,10) Click here to see answer by funmath(2925)

 Question 54983: Can someone please help me on this problem? I listed the name of the book above and the page #, and problem # I need to graph the following equation, using the intercept method. 2x - 37 = 12 Thanks, Ashley Click here to see answer by funmath(2925)

 Question 54776: solve each of the following inequality. express your final answer using interval notation. a) -2>-2y-10>-22 b) x/4+3 <4 C) x?8+5 >4 Click here to see answer by stanbon(57379)

 Question 55022: Please, I need help! Find the slope of a line that passes through (1,7) and (3,3). Please start with showing me the general formula for slope of a line. Thanks, DB Click here to see answer by Earlsdon(6287)
 Question 55022: Please, I need help! Find the slope of a line that passes through (1,7) and (3,3). Please start with showing me the general formula for slope of a line. Thanks, DB Click here to see answer by funmath(2925)

 Question 55017: Please Help: Find the slope of a line that is parallel to the following line: y= 5x - 5 PS: Just the slope, not an equation of the line Thanks, DB Click here to see answer by funmath(2925)

 Question 54861: 20. Write the equation of the line with x-intercept (–1, 0) and undefined slope. A) y = –1 B) x = –1 C) y = –x D) x = 0 no book Thank you so very much!! Click here to see answer by funmath(2925)

 Question 54858: 18. Write the equation of the line passing through (–3, –7) and (–3, –6). A) x = –3 B) y = –3 C) y = x – 3 D) y = x no book Thanks so much for your time!! Click here to see answer by funmath(2925)

 Question 55071: Here is my question: The cost of producing a number of items x is given by C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item). (a) If the fixed cost is \$40 and the variable cost is \$10, write the cost equation. (b) Graph the cost equation. I am at a loss when it comes to figuring out word problems, so please help me with this problem. Click here to see answer by funmath(2925)

 Question 55019: No book. Take this situation,increase in gas prices from 2004 to 2006,and create an equation or inequality that could be used for analysis, prediction, or decision-making. Then, draw a graph to depict the variables in the situation. Here are the stats: July 2004, price per barrel,\$48 Jan. 2005 price per barrel,\$50 July, 2005, p. p. b., \$62 Jan. 2006, p.p.b.,\$70 July. 2006, p.p.b, \$79 Thanks so much!!!!! Click here to see answer by Hook(36)

 Question 54596: Which of the ordered pairs (3, 1), (0, –4), (–4, 0), (–3, –7) are solutions for the equation x – y = 4? A) (0, –4), (–4, 0), and (–3, –7) B) (–4, 0) and (–3, –7) C) (0, –4) and (–3, –7) D) (3, 1) and (–4, 0) No book. Thank you so very much for your time!!! Click here to see answer by rchill(405)

 Question 55105: What does the graph of y=1 look like? Click here to see answer by stanbon(57379)

 Question 55120: determine the value of r so that the line (5,r) and (2,3) has a slope 2. (-2,-3),undefined Click here to see answer by rchill(405)

 Question 55119: determine the value of r so that the line (5,r) and (2,3) has a slope 2. (-3,-1),m=-1/5 Click here to see answer by rchill(405)

 Question 55117: find the slope of the line that passes through each pair of points. (1/2,2/3),(5/6,1/4) Click here to see answer by rchill(405)

 Question 55115: find the slope of the line that passes through each pair of points. (-2,-3),(0,-5) Click here to see answer by rchill(405)

 Question 55114: find the slope of the line that passes through each pair of points. (6,8)(5,-5) Click here to see answer by rchill(405)

 Question 55124: find an equation for the line with slope 1/2 and y-intercept of 3 This is what I did: y=mx+b y=1/2x+3 y-1/2 =3 2y-x=6(divided both sides by 2) or -x+2y=6 Click here to see answer by rchill(405)

 Question 55118: find an equation for the line with y-intercept 3 that is perpendicular to the line y=2/3x-4 Click here to see answer by rchill(405)

 Question 55126: write an equation in slope-intercept form for the line that satisfies each set of conditions. slope -2,passes through (-4,6) Click here to see answer by rchill(405)

 Question 55144: write an equation in slope-intercept form for each graph. (0,0)(4,5) Click here to see answer by tutorcecilia(2152)

 Question 55143: write an equation in slope-intercept form for each graph. (1,6),(3,0) Click here to see answer by tutorcecilia(2152)

 Question 55142: write an equation in slope-intercept form for the line that stisfies each set of conditions. slope -13/5,passes through (5,-7) Click here to see answer by tutorcecilia(2152)

 Question 55140: write an equation in slope-intercept form for the line that stisfies each set of conditions. slope 1, passes through (2,5) Click here to see answer by tutorcecilia(2152)

 Question 55138: find the slope of the line y= -3x + 2 I am not sure if I get this This is what I got for another problem 3y + 2x - 6 = 0 using the slope formula, I came to the conclution that the slope of this line is -2/3 is this right? thanks, lackinmath Click here to see answer by tutorcecilia(2152)

 Question 55139: write an equation in slope-intercept form for the line that stisfies each set of conditions. slope 3/2,y-intercept 4 Click here to see answer by checkley71(8403)

 Question 55164: Sally brought three chocolate bars and a pack of gum and paid \$1.75. Jake brought two chocolate bars and four packs of gum and paid \$2.00 Find the cost of a chocolate bar and the cost of a pack of gum. Click here to see answer by stanbon(57379)

 Question 55189: A small company produces both standard and deluxe playhouses. The standard playhouse takes 12 hours of labors to produce and the deluxe 20 hours.The labor availible is limited to 800 hours per week and the total production capacity is 50 items per week. Existing orders require the company to produce at least 10 standard and 15 deluxe per week. Write a system of inequalities representing this situation where x is the number of standard and y is the number of deluxe. Click here to see answer by stanbon(57379)

 Question 55185: write an equation in slope-intercept form for the line that satisfies each set of conditions. passes through (-2,1),perpendicular to the line y=4x-11 Click here to see answer by Cintchr(481)

 Question 55174: write an equation in slope intercept form for each graph. (-4,1)(5,2) Click here to see answer by checkley71(8403)

 Question 55184: write an equation in slope-intercept form for the line that satisfies each set of conditions. passes through (6,1),parallel to the line with X-intercept -3 and y-intercept 5 Click here to see answer by mathchemprofessor(65)

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