# 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 60772: If Sally bought three chocolate bars and a pack of gum and paid \$1.75. Jake bought two chocolate bars and four packs of gum and paid \$2.00. How will I find the cost of a chocolate bar and the cost of a pack of gum Click here to see answer by Edwin McCravy(8881)

 Question 60771: How can I solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2 Click here to see answer by Edwin McCravy(8881)

 Question 60776: What is the slope and y-intercept. –x – 4y = –32 Click here to see answer by Earlsdon(6287)

 Question 60774: Find the slope and the y-intercept. y = 7x Click here to see answer by Earlsdon(6287)

 Question 60810: How does the graph of the quadratic function or the absolute value function change if you subtract something from them? Click here to see answer by funmath(2925)

 Question 60867: how can i solve this system by substitution. 2x + 2y = 0 y = 4x + 0 Click here to see answer by checkley71(8403)

 Question 60866: The difference of two numbers is 91 The second is 5 less than 5 times the first What are the two numbers Click here to see answer by checkley71(8403)

 Question 60882: I don't understand the question: find the distance between each pair of points whose coordinates are given? Click here to see answer by Earlsdon(6287)

 Question 60900: how do i find the slope and y-intercept. –x – 4y = –32 Click here to see answer by funmath(2925)

 Question 60898: how do i write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line. Click here to see answer by funmath(2925)

 Question 60903: how do i solve the system by graphing. x – y = 5 x + y = 3 Click here to see answer by checkley71(8403)

 Question 60897: Find the slope and y-intercept. –x – 4y = –32 Click here to see answer by funmath(2925)

 Question 60983: Do i have this one correct. Using points P(2,-9) and Q(-3,3), what is the midpoint x = (2,-3)/2 = -6/2 = -3 y = (-9,3)/2 = -6/2 = -3 midpoint would be (-3,-3) Thanks for checking this one out for me! Click here to see answer by joyofmath(189)

 Question 60901: A small company produces both standard and deluxe playhouses. The standard playhouses take 12 hours of labor to produce, and the deluxe playhouses take 20 hours. The labor available 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 playhouses and 15 deluxe playhouses per week. Write a system of inequalities representing this situation, where x is the number of standard playhouses and y is the number of deluxe playhouses. Then graph the system of inequalities Click here to see answer by ankor@dixie-net.com(15634)

 Question 60993: given a line containing (1,3),(2,4),(3,5)determine the slope-intercept from of the equation and give one additional point on this line and grapg the function. Click here to see answer by funmath(2925)

 Question 61013: how do i write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line. Click here to see answer by funmath(2925)

 Question 61012: if a home-based company produces both hand-knitted scarves and sweaters. The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. Write a system of inequalities representing this situation, where x is the number of scarves and y is the number of sweaters. Then graph the system of inequalities Click here to see answer by josmiceli(9656)

 Question 61033: Write the equation of the line that passes through point (–4, 19) with a slope of –6. Click here to see answer by funmath(2925)

 Question 61032: Find the slope of any line perpendicular to the line through points (8, 17) and (9, 9). Click here to see answer by funmath(2925)

 Question 61031: Find the slope of any line parallel to the line through points (19, 11) and (9, 9). Click here to see answer by funmath(2925)

 Question 61062: Find the slope and the y-intercept. y = –9x + 8 Click here to see answer by funmath(2925)

 Question 61073: could someone help me solve this x+5y=10 -2x-10y=-20 Click here to see answer by uma(370)

 Question 61056: can u show me what is the graph of these equations y = 3x + 1 and y=-1/3x+1 and y = –3x + 1 Click here to see answer by uma(370)

 Question 60938: A line passing through (4,11) and (1,y) is parellel to a line with slope 2. What is the value of y? Click here to see answer by uma(370)

 Question 61029: Alice sells lamps at craft fairs. she uses the function F(x)=25x-250 to project her profit for selling x lamps. How would I graph this function and identify the slope and y-intercept. Click here to see answer by josmiceli(9656)

 Question 61011: Solve the following system of linear inequalities by graphing. x + 2y _< 3 2x – 3y_< 6 Click here to see answer by josmiceli(9656)

 Question 61098: can some one help me solve and explain this problem? 4x + 8 = –4 Click here to see answer by josmiceli(9656)

 Question 61104: how do i find the slope and the y-intercept. y = 7x Click here to see answer by tutorcecilia(2152)

 Question 61103: Is 15 a solution to the equation 8 – x = 7 and how can i explain my answer? Click here to see answer by tutorcecilia(2152)

 Question 61105: how can i rewrite the equation 2x – 9y = –72 as a function of x. Click here to see answer by tutorcecilia(2152)

 Question 61106: could you help me find the slope and y-intercept. –x – 4y = –32 Click here to see answer by tutorcecilia(2152)

 Question 61107: how can i write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line Click here to see answer by tutorcecilia(2152)

 Question 61102: if a arithmetic student needs an average of 70 or more to receive credit for the course. She scored 82, 64, and 98 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course. Click here to see answer by tutorcecilia(2152)

 Question 60899: how do i solve the system by graphing. 2x + y = 4 x + y = 3 Click here to see answer by tutorcecilia(2152)

 Question 61111: A small company produces both doll houses and sets of doll furniture. The doll houses take 3 hours of labor to produce, and the furniture sets take 8 hours. The labor available is limited to 400 hours per week, and the total production capacity is 100 items per week. Existing orders require that at least 20 doll houses and 10 sets of furniture be produced per week. Write a system of inequalities representing this situation, where x is the number of doll houses and y is the number of furniture sets. Then graph the system of inequalities. Click here to see answer by stanbon(57239)

 Question 61198: Can someone please explain the System of linear equation by substitution. Thank you 5X + 2Y = -1 2X - y = -13 Click here to see answer by checkley71(8403)

 Question 61212: Could someone help me figure out this problem? Find the x and y intercepts and graph the equation. x-4y=-8 Click here to see answer by checkley71(8403)

 Question 61199: 4X - y = -3 y = 4x + 3 Click here to see answer by scoop(27)

 Question 61252: Hi I need help with this indicate which quadrant or coordinate axis contains the point. (a)(3,-5) (b)(-2,7) (c)(0,-3) (d)(-1,-2) (e)(3,0) (f)(6,4) Click here to see answer by DJ_Sammie(24)

 Question 61236: write as an equation and then solve 15 is 3 less than half a number Im thinking of a number. Ill subtract 7 and then multiply the result by 3, I get 18. What was the original number? write in standard form: y=3x-1 whats the slope of (-5,2) and (1,4) write the slope-intercept form of 3x+y=4 find slope of 3x+y=4 Click here to see answer by DJ_Sammie(24)

 Question 61257: Help which graph best represents the equation y=3x+7? Click here to see answer by checkley71(8403)

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