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

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 Question 138656: If find P(6) using synthetic division and the remainder theorem Click here to see answer by jim_thompson5910(29613)

 Question 138657: use synthetic division to find out if x+2 is a factor of Click here to see answer by jim_thompson5910(29613)

 Question 138659: Find all of the possible rational zeros of Click here to see answer by jim_thompson5910(29613)

 Question 138663: Use Descartes rule of signs to determine the number of positive and negative roots Click here to see answer by jim_thompson5910(29613)

 Question 138678: The profit of a company is modeled by how many items must they sell to make a positive profit? Click here to see answer by jim_thompson5910(29613)

 Question 138680: The velocity is given as . Find the times when the velocity is positive Click here to see answer by jim_thompson5910(29613)

 Question 138685: A cost function is given as . Find the cost of producing 100 boxes Click here to see answer by jim_thompson5910(29613)

 Question 138686: Graph the two equations and and find the solutions Click here to see answer by jim_thompson5910(29613)

 Question 138687: Graph the two equations and and find the solutions Click here to see answer by jim_thompson5910(29613)

 Question 138688: The demand equation is given as and the supply as . Find the equilibrium price. Click here to see answer by jim_thompson5910(29613)

 Question 139257: how to Find the x and y intercepts for the following equations 3x+4y=24 5x+y=10 Click here to see answer by checkley77(12569)

 Question 139407: how can you determine the equation for slope-intercept form just by reading two given points? Click here to see answer by solver91311(18785)

 Question 139410: I am having a rough time w/this problem, I just don't understand it :) Find the slope of the line between these two points: (3,4), (-3,-2) Click here to see answer by solver91311(18785)

 Question 139413: Can anyone help me w/this? Write the equation of the line passing through these two points: (3,4), (-3,2) Click here to see answer by checkley77(12569)
 Question 139413: Can anyone help me w/this? Write the equation of the line passing through these two points: (3,4), (-3,2) Click here to see answer by scott8148(6628)

 Question 139531: I still haven't received an answer and I have class tomorrow. Could someone please help me with graphing this equation? What does the region look like and how do I graph it? 4x+3y=>24 3x+4y=>8 x=>0 y=>0 I would appreciate your help as soon as possible. Anne Click here to see answer by jim_thompson5910(29613)

 Question 139533: Graph the line with slope 1/2 passing through the point (-3,3) . Click here to see answer by jim_thompson5910(29613)

 Question 139647: Which set is a function? A) {(0,3), (3,0), (0,4), (4,0)} B) {(0,2), (2,0), (4,6), (6,4)} C) {(2,6), (3,6), (4,6), (2,0)} D) {(0,4), (0,9), (12,6), (-3,9)} Click here to see answer by wandamedina(1)

 Question 139778: Describe what the graph of interval [-4,10] looks like. Click here to see answer by solver91311(18785)

 Question 139676: word problem- you are considering 2 different cell phone comp. Total phone Comp. charges \$30 plus .09 cents per min. The Cell Plus Comp charges \$20 per month plus .12cents a min. Write 2 equations that show your phone bill, C, as a function of the minutes, m, per month. I got C=.09x+30 ; C=.12x+20 How do you graph the 2 equations? Click here to see answer by checkley75(3666)

 Question 139836: On page 175 I need help on this one. 7x+3>9x-5 Click here to see answer by checkley77(12569)

 Question 140017: 1. The perimeter of a rectangular box is 42 inches. The length of the box is 15 inches more than the width. Determine the dimensions of the rectangle in terms of feet Also find the area of the box in terms of feet. Draw the diagram by showing the dimensions. (a) How will you set up the problem. (b) What are the two linear equations. (c) What is the product of two dimensions of the rectangle. (d) How is this product different from perimeter. Interpret on that. Click here to see answer by jim_thompson5910(29613)

 Question 140018: 2. One number exceeds another by 5. The sum of their reciprocals equal to 19 divided by the product of the two numbers. Find the two numbers. (a) How will you set up the problem? (b) What is the equation that the one number exceeds another by 5? (c) What is the product of two numbers, in terms of x? (d) What is x? Also check your answer. Click here to see answer by jim_thompson5910(29613)

 Question 140117: Solve by graphing and check: y=2x and y=-x+6. I never did get these problems and neither does my family. Click here to see answer by checkley77(12569)