Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 609462: give a real world example of a graph with no y or x intercept?
Click here to see answer by flame8855(424)

Question 609549: Hello. My assignment is to come up with four essential vitamins/minerals and their recommended daily values. Also, four foods that contain each of those vitamins/minerals. Then I have to construct a linear system of equations that determines how much of each item a person would need to consume to achieve the recommended daily value of each nutrient.
For the minerals, I have: Magnesium- 400mg, Potassium-3500mg, Sodium-2400mg, and Zinc-15mg
The foods that I have chosen and calculated are:
1.)4 oz.Chicken: calcium-17.01mg, iron-1.18mg, magnesium-32.89mg, sodium-83.91mg,potassium-290.30mg, & zinc-1.13mg)
2.) 4oz Salmon: calcium-7.94mg, iron-.62mg, mag-35.15mg,sodium-74.84mg, potassium-425.24mg, zinc-.58mg
3.)Whole wheat: calcium-18.20mg, iron-1.75mg, mag-58.24mg,sodium-9.10mg, potassium-123.76mg, zinc-1.04mg
4.)1 cup 2% Milk: calcium-292.80mg, iron-.05mg, mag-26.84mg,sodium-114.68mg, potassium-341.60mg, zinc-1.17mg
Honestly, I have no idea how to begin to create a linear equation for all of these. Hopefully someone can simplify the process for me, or give me an example of a linear equation that I can use to create one for each food
Click here to see answer by solver91311(16885)

Question 609587: ive been needing help in pre al. my grade has gone down to a low C-. I NEED HELP PLEASE!!!
Click here to see answer by Alan3354(30993)

Question 609567: write an equation of the line containing the given point
and parallel to the given line. Express your answer in the
form y= mx + b.
(2,9); x + 9y = 2
Click here to see answer by solver91311(16885)

Question 609568: write an equation of the line containing the given point
and parallel to the given line. Express your answer in the
form y= mx + b.
(-2,3); 7x= 4y+5
Click here to see answer by solver91311(16885)

Question 609569: write an equation of the line containing the given point
and parallel to the given line. Express your answer in the
form y= mx + b.
The equation of the line is y=
(-2,3); 7x= 4y+5
Click here to see answer by solver91311(16885)

Question 609571: write an equation of the line containing the given point
and parallel to the given line. Express your answer in the
form y= mx + b.
(2,7) 5x + y=3
The equation of the line is y=
Click here to see answer by solver91311(16885)

Question 609578: what is the slope of the line that contains the points (-23, -16) and (13,-16)
Click here to see answer by Alan3354(30993)

Question 609978: write an equation of the line containing the given points and perpendicular to the given line (6,-7) 3x+4y=5
Click here to see answer by scott8148(6628)

Question 610106: 5x-1>29 wat is x

Click here to see answer by flame8855(424)

Question 610186: Write the slope-intercept equation for the line that passes through (2, -7) and (4, -13)
Click here to see answer by flame8855(424)

Question 610324: find the slope (-3,4)and (8, -4)
Click here to see answer by jim_thompson5910(28595)

Question 610432: 5x-3=15x-83

Click here to see answer by richwmiller(9135)

Question 610531: The slope whose equation is 3x-4y=7
Click here to see answer by nerdybill(6958)

Question 610533: I have not the slightest clue as to what this math problem's name is, so that's why I just put it under Linear Equations, Graphs, and Slope.
If g(x)= x^2-6x+3 Find g(-2)
________
x+4
Click here to see answer by stanbon(57347)

Question 610588: what is the slope and y-intercept of.... y=3/2x+4?
Click here to see answer by jim_thompson5910(28595)

Question 610639: Find the slope and the y-intercept of the line. Write fractional answers in lowest terms. I am mainly having problems on finding the formulas to solve the equation. I just do not know where to start. Please help!
6y + 5x + 7 = 12 + 5x
Click here to see answer by josmiceli(9678)

Question 610619: What is the x-intercept of the following linear equation. 3x + 4y = 24
Click here to see answer by Maths68(1474)

Question 610677: Can you help me solve this -2(2t+8)+5=5 ; -4(5t-2)+2t-8=54 ; 5(3c+5)-4c=3c-7 and last 6i+3(i-8)=2(2i+8)? I really just want to KNOW THE STEPS TO FIND THE VARIABLE NOT just the answer. Thank you!
Click here to see answer by jim_thompson5910(28595)

Question 610679: Can you help me solve this -2(2t+8)+5=5 ; -4(5t-2)+2t-8=54 ; 5(3c+5)-4c=3c-7 and last 6i+3(i-8)=2(2i+8)? I really just want to KNOW THE STEPS TO FIND THE VARIABLE NOT just the answer. Thank you!
Click here to see answer by lynnlo(4164)

Question 609846: Which of the following ordered pairs is NOT a solution to 2x - 2y = 4
Click here to see answer by radh(108)

Question 610792: what is the slope of the line perpendicular to
y=2/5x+7
Click here to see answer by fcabanski(874)

Question 610739: find the slope of every line that is parallel to the graph of the equation x-8y=-1
Click here to see answer by fcabanski(874)

Question 610842: Please can you help me solve this equation: 5x+31=12x-25
Thank you
Click here to see answer by jim_thompson5910(28595)

Question 610886: What is the solution for:
3x+5y=10
x-5y=-10
Click here to see answer by ewatrrr(10682)

Question 610906: -3(5y-2)+7y=-2(y+5)
Click here to see answer by jim_thompson5910(28595)

Question 610888: Determine the equation of a line parallel to the line y=-x-1 with an x-intercept of 4.
Click here to see answer by solver91311(16885)

Question 611018: Find the slope-intercept equation that passes through (-3,8) and is perpendicular to the line with the equation: x-7y=12
Click here to see answer by solver91311(16885)

Question 611090: Graph the point of intersction for 3x+2y=4;8x-3y=-6
Click here to see answer by lynnlo(4164)

Question 611129: rite the slope-intercept form of the equation of the line tha passes through (-2,4) and is perpendicular to the line 2x+ 3y=17
Click here to see answer by ewatrrr(10682)

Question 611082: State the coordinates of the points at which the following pairs of lines intersect.
a) x = -1, y = -2
b) x = 5, y = 6
c) x = 2, y = -4
d) x = 9, y = 11
Do you plot the points and then connect them ?
Click here to see answer by ewatrrr(10682)

Question 611176: find the equation in slope intercept form
3y=2x+12
Click here to see answer by ewatrrr(10682)

Question 610603: slope 1.4 and y-intercept (0,-8)
Click here to see answer by ewatrrr(10682)

Question 611237: write a rule for a function table
X,Y
1,-44
2,-29
3,-14
4,1
Y=____x-____
And is there a solver i can use for this
Click here to see answer by stanbon(57347)

Question 611343: -3x-3(x+5)= 14
i keep getting two diffrent answers one is 6 the other is 1/6?!
HELP!!!!!
Click here to see answer by jim_thompson5910(28595)

Question 611379: Will you please help me solve this equation. I need to solve these two equations step by step using the graphing method.3y=2x+3 and -3y=-2x-12. I have already put the equation in slope-intercept form.

Click here to see answer by solver91311(16885)

Question 611429: 33u+6=4u-35
Click here to see answer by jim_thompson5910(28595)

Question 611685: Find the value of R so the line passes through (9,13) an (5,R) has a slope of m=1/2
Click here to see answer by lwsshak3(6505)

Question 611754: I don't understand how to graph. x+y= -6
Click here to see answer by Alan3354(30993)

Question 611813: i need help with Systems of Equations Linear Equations
2x-y=6
x+y=-3
Click here to see answer by Alan3354(30993)

Question 611894: Find the equation of the straight line through the point (-1,-7) and parallel to y= 2x + 3
Click here to see answer by Maths68(1474)

Question 611912: find the linear equation that passes through (p,q) and parallel to y = rx + s
Click here to see answer by lwsshak3(6505)

Question 611946: can you solve this? 9x^2+16y^2+32y-128=0
Click here to see answer by Alan3354(30993)

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