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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 21381: 3x + 1/3y = 6 (I need to complete an ordered pair (?,9)and I am not sure what to do with the fraction part of the equation to find my answer.)
Click here to see answer by Photonjohn(42)

Question 21423: 2x+y=8
y+3z=5
z+2w=1
5w+3x=9
solve the equations for x,y,w,z
Click here to see answer by josmiceli(19441)

Question 21310: S=2(pie)rh for h
Click here to see answer by AdolphousC(70)

Question 21523: PLEASE HELP ME SOLVE THIS EQUATION:
FIND SLOPE AND Y INTERCEPT, AND GRAPH ON A LINE?
Y - 5X = -2
Click here to see answer by Earlsdon(6294)

Question 21512: Find the equations of the lines given the following information.
passes through the point (7,4) and is perpindicular the line y=-3/4x+2.
Any help would be appreciated...
Click here to see answer by venugopalramana(3286)

Question 21648: please help me solve " what the slope-intercept form of of the equation of a line with slope 5 and y-intercept -8?"
Click here to see answer by glabow(165)

Question 21649: please help me solve this question " whats the slope-intercept of a line with the slope 5 and the y- intercept -8?"
Click here to see answer by glabow(165)

Question 21707: write an equation in standard form of the line paSSING THROUGH POINTS (5,-8)with a slope of m=10
Click here to see answer by longjonsilver(2297)

Question 21753: Solve the equation
4x to the 2nd power = 60
Click here to see answer by algebrapro18(249)

Question 21752: x to the 2nd power +10x +10=0 Solve the equation by completing the square
Click here to see answer by algebrapro18(249)

Question 21902: Having problems trying to figure out problem below.
Using definition of slope to find slope of line passing through two points.
Find slope of the line passing through (-2,-2) and (8,-9).
Thx!
Click here to see answer by venugopalramana(3286)

Question 21866: My daughter has this linear equation question and I don't know how to help her:
From 1960 to 1990, the average annual US consumption of pork dropped according to the linear model y=-1/3x + 62. The average annual consumpton of chicken rose according to the linear model y=7/6x + 31. For which years did the US consumption of chicken exceed the consumption of pork?
Click here to see answer by venugopalramana(3286)

Question 21971: find the slope y=60x+95
Click here to see answer by Alwayscheerful(414)

Question 22229: You get a box of assorted chocolates for Christmas. There are the following types; 8 dark chocolate-coated caramels, 7 milks chocolate-coated caramels, 7 dark chocolate-coated nuts, 6 milk chocolate-coated vanilla creams, 8 dark chocolate-coated cherries, 7 milk chocolate-coated strawberry creams. Determine the following probabilities;
a) of not getting a milk chocolate-covered piece
b) of getting caramel
c) of getting a milk chocolate-covered piece or a caramel
d) of getting a nut or a caramel
e) of getting 2 dark chocolate-coated cherries in a row and then 5
caramels in a row.
Click here to see answer by Ultimatemagic(23)

Question 22251: What is x-4y+20=0 in slope-intercept form?
Click here to see answer by Ultimatemagic(23)

Question 22254: what is linear equations?
Click here to see answer by stanbon(75887)

Question 22287: How am I suppose to graph Linear Equations?
Click here to see answer by stanbon(75887)

Question 22417: North Carolina's Native-American population is 22,000 greater than New York's. New York's Native-American population is 187,000 less than Oklahoma's. If the total population of all three is 437,000, find each state's Native-American population

Click here to see answer by Paul(988)

Question 22273: how do I set my graphing calculator to give me the value of R or R^2 when I do a linear regression line?
Click here to see answer by stanbon(75887)

Question 22788: solve. a-16=a/4+2
Click here to see answer by Alwayscheerful(414)

Question 22841: I am not sure what my daughter teacher is wanting done on this problem, which is not from the text.
2X + 3Y = 6 y the y out to the right I assume means to solve for y.
Please help.
Click here to see answer by rapaljer(4671)

Question 22749: what is the effect of slope, y-intercept and the x-intercept?
how does the slope, y-intercept and x-inercept changes?
Click here to see answer by Longtolive(6)

Question 23002: can you please help me on origin. How do you write an equation for the line containing the origin and the points (2,1)
Please help me im clueless
I know that origin has something to do with slop and the slope formula is Y2-Y1 over X2- X1. I have no idea what to do and i have a teacher that does not clearly explain things and this is my last resort.
Click here to see answer by rapaljer(4671)

Question 22991: Is it possible that someone could teach me everything about Linear Equations..the steps are so confusing. I just need help BAD!
Click here to see answer by Earlsdon(6294)

Question 22897: Find a Linear function whose graph passes through the given points.
(8, -1) and (-5, 4)
A. f(x) = -9/13x + 27/13
B. f(x) 5/13X = 27/13
C. f(x) 9/13x + 27/13
D. f(x)= - 5/13x = 27/13

Click here to see answer by rapaljer(4671)

Question 23082: find the slope and the y-intercept of the line.
5x+3y=25
-y=36+5x
7x-8y=-2
write the slope-intercept form of the equation.
5x+12y=13
12y=-35+7x
-y=-3+9x
Click here to see answer by wuwei96815(245)

Question 23080: f(x)=13x3+13x4-3x
findf(-6)
Click here to see answer by rapaljer(4671)

Question 23112: 8(x+5)=7(x+8)
Click here to see answer by gr8stsing3raliv3(4)

Question 23081: write an equation of the line that passes through the given two points.
(-7,8)(-4,11)

(7,0)(27,-60)

(2,3)(8,0)
Click here to see answer by stanbon!(97)

Question 22590: 2x+3y=8
Click here to see answer by rapaljer(4671)

Question 22353: 1. 21<7X<70
2. /7x-5/>4
3. 7x-8>6x-7

Click here to see answer by stanbon(75887)

Question 21294: use the point formula to find the equation of the line that passes through the point whose coordinates are (1,2) and has a slope of 1
Click here to see answer by stanbon(75887)

Question 22748: what is the effect of slope, y-intercept and the x-intercept?
how does the slope, y-intercept and x-inercept changes?
Click here to see answer by stanbon(75887)

Question 23216: how do answer this ? y-x=3 but the equal sign has something like this ^ but side ways and a line under it
Click here to see answer by stanbon(75887)

Question 23251: can you show me how to solve the problem below using the addition method:
3x-2y=-4 and 2y-3x=-2

thank you.........
Click here to see answer by stanbon(75887)

Question 23268: For the function y=x^2 -4x-5 perform the following tasks:
Put the function in the y=a(x-h)^2 + k form.
Graph it.
Click here to see answer by stanbon(75887)

Question 21865: An amusement park charges $32 for admission and $6 to park your car. Write an inequality that represents the possible numer of people that could go for $166. Solve the inequality. What is the maximum number of people that could go?
Click here to see answer by rapaljer(4671)

Question 21900: Please help w/ problem below.
Solving a linear equation in one variable.
4x+15=7(4-2x)
Click here to see answer by rapaljer(4671)

Question 21930: how do you solve b-x=d?
Click here to see answer by rapaljer(4671)

Question 22183: what is 12u<-3(5-4u)
what is-7n<2.5-7n
what is2k+25<7k
what is6w-5>2(4w-1)

Click here to see answer by stanbon(75887)

Question 23288: I am having trouble with these types of problems ex.-
2y-5x-16=0 i do not understand how to do this
Click here to see answer by rapaljer(4671)

Question 23297: `SUPPOSE YOU THROW A BASEBALL STRAIGHT UP AT A VELOCITY OF 64 FEET PER SECOND.
A FUNCTION
CAN BE CREATED BY EXPRESSING DISTANCE ABOVE GROUND, S, AS A FUNCTION OF TIME, T.
THIS FUNCTION IS: S=-16T^2+^V0^T+^S0
16 REPRESENTS 1/2G, THE GRAVITATIONAL PULL DUE TO GRAVITY (MEASURED IN FEET PER
SECOND^2).
^V0 IS THE INITIAL VELOCITY (HOW HARD DO YOU THROW THE OBJECT, MEASURED IN FEET
PER SECOND).
^S0 IS THE INITIAL DISTANCE ABOVE GROUND (IN FEET). IF YOU ARE STANDING ON THE
GROUND, THEN ^S0=0.

How long will it take to hit the ground?
What is the maximum height of the ball? Waht time was the maximum height attained?
Click here to see answer by Earlsdon(6294)

Question 23299: John has 300 feet of lumber to frame a rectangular patio. (the perimeter of a rectangle is 2 times length plus two times width). He wants to maximize the area of his patio ( area of a rectangle is length times width). What should the dimensions of the patio be?
Click here to see answer by stanbon(75887)

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