# 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 38266: The difference of two numbers is 45. The second is 3 less than 3 times the first. What are the two numbers? Click here to see answer by fractalier(2101)

 Question 38261: Find the slope -6x - 9y = 12 Click here to see answer by fractalier(2101)
 Question 38261: Find the slope -6x - 9y = 12 Click here to see answer by checkley71(8403)

 Question 38260: If the perimeter of a rectangle is 24 ft and the width is 7 ft, find its length. Click here to see answer by fractalier(2101)
 Question 38260: If the perimeter of a rectangle is 24 ft and the width is 7 ft, find its length. Click here to see answer by checkley71(8403)

 Question 38287: dear online tutor, i'm having trouble graphing problems such as y=2x-5 and problems like y<2x+1. can you help me or at least give me some examples Click here to see answer by Nate(3500)

 Question 38290: find the equation of a line that contains the point (-2,4) and is parrallel to y=2x-3. Please show work. Thanks!! Click here to see answer by josmiceli(9817)

 Question 38417: what is the measurement of height if the radius of the cylinder is 3cm and the volume is 121cm? Then graph this function. This is what I got so far: v=2pir^2 + 2pirh 121= 2pe(3)^2 + 2pi(3)h 121 = 18 + 6 h= 24 I don't know if this is right. Don't I need 2 points to plot anything on a graph? Could you please help me? Christine Click here to see answer by fractalier(2101)

 Question 38397: How do I graph this function v=x(4-2x) (6-2x) I am not sure where you receive the points from. Thanks, Christine Click here to see answer by AnlytcPhil(1278)

 Question 38513: A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. P = 2L + 2W P = 2(3x-4) + 2(7x+10) I have already submitted this one before but I don't think the answer was in perimeter form. Can someone tell me if this looks correct. Click here to see answer by Nate(3500)

 Question 38468: Evaluate 5 times 4 divided by 2 - 4^2 Click here to see answer by Alwayscheerful(414)

 Question 38530: How do you solve for the boundary points of equations y=x^2+2x+1 and y=4? Click here to see answer by longjonsilver(2297)

 Question 38452: I'm about ready to give up. The question is: Write the equation of the line passing through each of the given pair of points. Write your result in slope-intercept form, where possible. (-1, 3) and (4, -2). Thanks so much! Click here to see answer by longjonsilver(2297)

 Question 38455: I'm about ready to give up. The question is: Write the equation of the line passing through each of the given pair of points. Write your result in slope-intercept form, where possible. (-1, 3) and (4, -2). Thanks so much! Click here to see answer by lyra(94)

 Question 38553: solve the inequality symbolically. Express the solution set in interval notation. 7y-2<-6y-7 Click here to see answer by fractalier(2101)
 Question 38553: solve the inequality symbolically. Express the solution set in interval notation. 7y-2<-6y-7 Click here to see answer by AnlytcPhil(1278)

 Question 38473: this is for quadratic formula and parabolas which could be the graph of the parabola a.y=x2=1,b.y=x2-1,c.y=-x2=1,d=-x2-1 Click here to see answer by rapaljer(4667)

 Question 37519: Write the equation of the line passing through (-3, -5) and (3,0). Click here to see answer by checkley71(8403)

 Question 37736: How do I graph an inequality? How do I get "Y" by its self in this problem i have to solve? 3x+4y is greater than or equal to 17. i need to find ordered pairs for it and graph it. if you can help me that would be great. thanks!!! -lauryn Click here to see answer by Nate(3500)

 Question 38057: DRAW THE GRAPH OF A DIRECT VARIATION THAT INCLUDES THE GIVEN POINT. A. (-2,5) B. (3,2) Click here to see answer by Nate(3500)

 Question 38680: Express the statement in terms of an inequality involving an absolute value. The radius r of a ball bearing must be within 0.01 cm. of 1 cm. Click here to see answer by AnlytcPhil(1278)

 Question 38678: Express the interval as an inequality in the variable x. (-4.-1) Click here to see answer by jcmtnez(53)

 Question 38702: 1.y+2=9x(X-4) 2.WRITE AN EQUATION OF A LINE WITH THE GIVEN SLOPE AND Y-INTERCEPT a.M=1,B=4 B.M=1/4,B=-3/4 3.Y=3/4X-3 Click here to see answer by Nate(3500)

 Question 38756: Find the slope of the line for: "y= -5" and also "y=9x+2". Click here to see answer by Nate(3500)

 Question 38759: Express the interval as an inequality in the variable x. (- infinity, 2] Click here to see answer by Nate(3500)

 Question 38762: what kind of graph will the equation 1/x always make? Click here to see answer by Nate(3500)

 Question 38805: how do you graph y=(x-1)(x-4) show me the steps Click here to see answer by Nate(3500)

 Question 38758: Can you show me the linear equation for "-4x + y = 0". Click here to see answer by checkley71(8403)

 Question 38844: Write the equation of the line with slope 4 and y-intercept (0,5). Click here to see answer by checkley71(8403)

 Question 38942: How do I sketch a graph of the equation: y= 3x^2+6x-10 Click here to see answer by stanbon(57967)

 Question 38976: write an equation in stadard form that satisfies the given conditions. perpendicular to y=-x-3,through(0,0) Click here to see answer by Nate(3500)

 Question 39110: Find an equation of the line that satisfies the conditions. Write the equation in standard form. Through (5,5); m= -3/4 Click here to see answer by fractalier(2101)

 Question 39112: Find an equation of the line satisfying the conditions. Write the equation in slope-intercept from. Through (-6,7); parallel to 3x+7y=3 Click here to see answer by fractalier(2101)

 Question 39111: Find an equation of the line passing through the two points. Write the equation in standard form. (8,2) and (3,6) Click here to see answer by fractalier(2101)

 Question 39136: what is the direct variation if y=5 when x=10 find y when x=1 Click here to see answer by fractalier(2101)