# Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Question 142814: I have this problem I have no idea even where to start. Here it is.. Graph on a rectangular coordinate system: y > x + 2 Can someone help me please? Click here to see answer by stanbon(57203)

 Question 142807: Solve both inequalites 1.) Fifteen is greater than a number minus 7. 2.) A number plus 11 is less than or equal to 9. Thanks so much. Click here to see answer by Fruglemiester1234(13)

 Question 142806: Write an inequality for ach situation. Please do all!!! A.) There ae more than 25 states in the country. B.) A sign on a tunnel says "Maximum height of vehicles is 15 feet" C.) Water boils at a temperature of at least 212 degrees F. D.) Your brother had the most 25 people at his party. Thanks and please do all!!!!!!!!!!!!! Click here to see answer by Fruglemiester1234(13)

 Question 142793: Explain in your own words the basic method for graphing a linear equation. Provide an example of a linear equation and show how you would graph your equation Click here to see answer by Fruglemiester1234(13)

 Question 142920: I have tried and tried and am just plain lost on this problem maybe you can explain to me how it works...My own teacher can not. Find the x intercepts for the graph of the equation y=x^2+3x-10 I have to find the s intercepts? Can you help Click here to see answer by jim_thompson5910(28476)

 Question 142937: Robert is on a diet and can have 500 calories for lunch. A 3-ounce hamburger on whole wheat bread has 315 calories, and 12 fluid ounces of soda has 145 calories. How many French fries can he eat if there are 10 calories in one French fry? Click here to see answer by stanbon(57203)

 Question 142936: The sum of three consecutive even numbers is 150. Find the numbers Click here to see answer by stanbon(57203)

 Question 142976: 1. Solve by completing the square. Find exact solutions. Then: a. Find the vertex. b. Find the line of symmetry. c. Determine whether there is a maximum or minimum value and find that value. d. Show a sketch of the graph. Click here to see answer by jim_thompson5910(28476)

 Question 142952: Martha wants to buy a digital camera from her three-month savings. To do this she needs to maintain an average saving of \$300 in each month. She saves \$450 in the first month and \$200 in the second month. Find the amount she should save in the third month to buy a digital camera at the end of three months. Click here to see answer by checkley77(12569)

 Question 143014: Determine how many solutions exist Use either elimination or substitution to find the solutions (if any) Graph the two lines, labeling the x-intercepts, y-intercepts, and points of intersection 0.2x + 0.4y = 1.7 and 8.3x - 6.3y = -4.3 Click here to see answer by stanbon(57203)

 Question 143034: 3. Given: a. Find the vertex. b. Determine whether there is a minimum or maximum value and find that value. c. Find the range. d. Find the intervals on which the function is decreasing and the intervals on which the function is increasing. Click here to see answer by jim_thompson5910(28476)

 Question 143044: Which of the following intervals represents the solution set of the inequality -3 is less than or equal to 2x+1<7 1.) (-3,7) 2.) (-2,3) 3.) [-3,7) 4.) [-2,3) Click here to see answer by jim_thompson5910(28476)

 Question 143066: The perimeter of a triangle is 195 mm. If the lengths of the sides are consecutive odd integers, find the length of each side. Click here to see answer by vleith(2825)

 Question 143128: Walt made an extra \$9000 last year from a part-time job. He invested part of the money at a 9% annual rate of interest, and the rest at an 8% annual rate of interest. At the end of the year, he made a total of \$770 in interest. How much was invested at 8%? Any help would be appreciated. Thank you very, very much. Click here to see answer by checkley77(12569)

 Question 143177: im having a difficult time solving this kind of problem 5x-2y=4 x+2y=8 it says to solve each equation by the addition menthod (*you may have to multiply both sides by -1) if you can show me the steps and explain them to me thanks. Click here to see answer by oscargut(891)

 Question 143162: Two graphic artists are working on a 3D game project. One artist works 3 hours more than his colleague. Together they work more than 27 hours. Find the possible number of hours each of them worked. Click here to see answer by zephyr(9)

 Question 143459: find the vertex and intercept coordinates of the following. y=x^2-5x-4 Click here to see answer by nabla(475)

 Question 143460: find vertex and intercept coordinates of the following a=b^2-6b-16 Click here to see answer by nabla(475)

 Question 143533: A reduced fat cookie contains 4 grams of fat per serving. In order for food to be termed "reduced fat", it must have at least 15% less fat than the regular item. What can you conclude about how much fat is in a serving of the regular cookie? Click here to see answer by Fruglemiester1234(13)

 Question 143639: Find the solution set of the inequalities. 1. -6<-2|x| this is what I did. -6<-2|x| +2 +2 ______ -4< |x| 2. 5<-5+ |3a| I used the same methods above, but the multiple choice answers asked if there were invisible, thick or thin lines...never heard of those. Click here to see answer by josmiceli(9645)

 Question 143722: 1. Solve by completing the square. Find exact solutions. Then: a. Find the vertex. b. Find the line of symmetry. c. Determine whether there is a maximum or minimum value and find that value. d. Show a sketch of the graph. Click here to see answer by jim_thompson5910(28476)