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

Tutors Answer Your Questions about Graphs (FREE)

Question 1058195: The point (-3,y) is on the line represented by the equation 26x-10y=100. Find the value of y for this point and then write the equation of the line in point-slope form using this point.
Click here to see answer by LinnW(1048)

Question 1058300: graph
y+3=2x

Click here to see answer by ikleyn(52781)

Question 1058338: Choose the true statement of y is less than or equal to 5x^2 + 6x + 2
Points on the parabola are not solutions
The vertex is (-3/5, 1/5)
The parabola opens down
(0, 0) is not a solution
Click here to see answer by Fombitz(32388)

Question 1058365: 1. Describe the behavior of the graph at the x-intercepts for the function f(x)=(2x-7)^7(x+3)^4. Be sure to identify each x-intercept and justify your answer.
2. Use the Remainder Theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2.
3. Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30. If you use synthetic division, show all three lines of numbers.
Thank you so much!!
Click here to see answer by Boreal(15235)

Question 1058458: A direct variation equation is an equation in slope-intercept form which describes a line that passes through the origin. Suppose that the points (-45,33) and (k,253) are also on the line. Write the equation of the line and give the value of k using the equation.

Thanks!
Click here to see answer by Fombitz(32388)

Question 1058497: A farmer is going to divide her 60 acre farm between two crops. Seed for crop A costs $20 per acre. Seed for crop B costs $10 per acre. The farmer can spend at most $700 on seed. If crop B brings in a profit of $60 per acre, and crop A brings in a profit of $180 per acre, how many acres of each crop should the farmer plant to maximize her profit?
acres of crop A

acres of crop B
Click here to see answer by ikleyn(52781)

Question 1058546: how to graph (4/3,0) and (0,-8)
Click here to see answer by ikleyn(52781)

Question 1058566: Find the standard form of the equation of the line:
Passing through (5,-2), a= -1/2

Click here to see answer by Alan3354(69443)

Question 1058559: The sum of the atomic number of two elements is not more than 22, with an average 11 and with a difference less than 16. What are the possible atomic numbers?
Click here to see answer by solve_for_x(190)

Question 1058575: Graph the function:
f(x) = -3[[x]]
Click here to see answer by Edwin McCravy(20055)

Question 1058572: Solve and graph f(x)= -2x if x<3
x+1 if >=3
Click here to see answer by math_helper(2461)

Question 1058576: Solve and graph:
f(x) = -2x if x <3
x+1 if >=3
Click here to see answer by Alan3354(69443)

Question 1058606: describe graph of quadratic function f(x)=x^2+10x+12 and identify the vertex and the x intercepts(smaller x value and larger x value).use a raphin utility to verify your answer

Click here to see answer by josgarithmetic(39617)

Question 1058612: you have a steel wire that is 108 inches long.to make a sign holder you bend the wire x inches from each end to form two right angles.to use the sign holder,you insert each end 4 inches into the ground.
(a)write the function for the rectangular area A enclosed by the sign holder in terms of x.
A=
(b)use the table feature of graphing utility to determine the value of x that maximizes the rectangular area enclosed by the sign holder.
x=
Click here to see answer by math_helper(2461)

Question 1058616: height y (in feet) of punted football is approximated by y = -16/2025 x^2 +9/5x + 5/2 where x is horizontal distance (in feet ) from point at which the ball is punted .
(a)use a graphing utility to graph the path of football.
(b)how high is the ball when it is punted ?(find y when x=0)
(c)what is the maximum height of football?(round your answer to two decimal places)
(d)how far from punter does the football strike the ground?(round your answer to two decimal places)
Click here to see answer by Alan3354(69443)

Question 1058762: determine whether the equation defines y as a function of x.
-x+y^2=2
Click here to see answer by josmiceli(19441)

Question 1058768: consider the quadratic model h(t)=-16t^2+40t+50 for the height (in feet),h, of an object t seconds after the object has been projected straight up into the air. Find the maximum height attained by the object .how much time does it take to fall back to the ground ?assume that it take the same time for going up and coming down.

Click here to see answer by solve_for_x(190)

Question 1058764: Find an equation of the line containing the center of the two circles
x^2-y^2-10x-6y+33=0 and
x^2+y^2-4x-10y+25=0
Click here to see answer by Alan3354(69443)

Question 1058822: In this graph, what is the length for line ?
Graph: https://s16.postimg.org/mg7naguid/math1.png
A.)
B.)
C.)
D.)
Thank you.
Click here to see answer by jim_thompson5910(35256)

Question 1058907: y-1/2<=-1
Click here to see answer by josmiceli(19441)

Question 1058953: How do you graph a set of constraints to find the maximum or minimum value?
Click here to see answer by ikleyn(52781)

Question 1058990: What is equation of the line passing point A(-5,4) and it is vertical to the line 2x-3y+6=0?
Thany You in advance.
Click here to see answer by Alan3354(69443)

Question 1059076: Choose the equation below that represents the line passing through the point (−3, −1) with a slope of 4.
y − 1 = 4(x − 3)
y + 1 = 4(x + 3)
y − 3 = 4(x + 1)
y + 3 = 4(x − 1)
Click here to see answer by Alan3354(69443)

Question 1059090: What are the x intercept and the y intercept of the graph of y=1/3x -6
Click here to see answer by Alan3354(69443)

Question 1059183: y=1/3x-5
Click here to see answer by Alan3354(69443)

Question 1059184: midpoint of the given line segment is? (6,10) (2,4)..... I cannot figure this problem out!!

Click here to see answer by Alan3354(69443)

Question 1059267: Can you help me find the x and y intercepts of the equation 2x-y= -2
Click here to see answer by Alan3354(69443)

Question 1059290: Can someone help me with this question?
Find the midpoint of the line segment joining (4, 8) and (�2, �6).
Click here to see answer by Alan3354(69443)

Question 1059290: Can someone help me with this question?
Find the midpoint of the line segment joining (4, 8) and (�2, �6).
Click here to see answer by josmiceli(19441)

Question 1059388: Find the distance between the pair of points.
(0,0) and (-12,9
need help im confused, please!!
Click here to see answer by Fombitz(32388)

Question 1059357: Please help me solve this equation: A box is being filled with books weighing L pound each. When there are 7 books in the box it weighs 9 pounds. Write an equation that represents the total weight of
the box.
S.K.

Click here to see answer by Fombitz(32388)

Question 1059389: Write the standard form of the equation of the circle with the given center and radius.
Center (-1,0), r=5
im so lost please help!!!
Click here to see answer by Fombitz(32388)

Question 1059293: Can someone help with these?
First one:
Graph the following set on a number line: {x|x ≤ �1}.
Second one:
Find the midpoint of the line segment joining (4, 8) and (�2, �6).
Click here to see answer by Fombitz(32388)

Question 1059471: solve the following inequality system please
2x+y<1
-x+2y>0
Click here to see answer by acw1213(28)

Question 1059471: solve the following inequality system please
2x+y<1
-x+2y>0
Click here to see answer by MathTherapy(10552)

Question 1059430: Solving system using TI Nspire
2a-b=1
5a-3b=0
Click here to see answer by acw1213(28)

Question 1059504: Y=5
Click here to see answer by Alan3354(69443)

Question 1059529: If a line passes through (3,-1) and has a slope of -1,how would you write the equation?
Click here to see answer by josgarithmetic(39617)

Question 1059529: If a line passes through (3,-1) and has a slope of -1,how would you write the equation?
Click here to see answer by MathTherapy(10552)

Question 1059520: how would you graph this equation?
-x-2y=-1

please and thank you I want to check if i did it right
Click here to see answer by josmiceli(19441)

Question 1059481: Given h(x)=x^3+5, find the equation of the secant line passing through (-4, h(-4)) and (-2, h(-2)). Write the answer in y=mx+b form
Click here to see answer by Fombitz(32388)

Question 1059650: I am working on homework we are doing graphing with slopes Not sure how to do this part of the homework the question is y+x=3; (1,) (3,),(2,) it says Graph the equation by determining the missing values needed to plot the ordered pairs.
Click here to see answer by Alan3354(69443)

Question 1059649: X + y = -5
Click here to see answer by Alan3354(69443)

Question 1059700: How to you graph y is less than or equal to 3x
Click here to see answer by josmiceli(19441)

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