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

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Question 842172: find the distance between the points. please show the work
p1=(-1,3) p2=(5,4)
d(p1,p2)=
thank you
Click here to see answer by ewatrrr(24785)

Question 842227: f(x)=-(x-4)^2. hOW YOU FIND THE SLOPE AND Y-INTERCEPT OF THIS
Click here to see answer by Fombitz(32388)

Question 842227: f(x)=-(x-4)^2. hOW YOU FIND THE SLOPE AND Y-INTERCEPT OF THIS
Click here to see answer by ewatrrr(24785)

Question 842228: Is there a linear equation that contains all the given ordered pairs? (-4, 13),(-3, 11)
Click here to see answer by Fombitz(32388)

Question 841817: (Can someone help me with this question please?, thanks)
Graph the linear equation using the slope and y-intercept.
y=5/6x-4
Click here to see answer by Fombitz(32388)

Question 842262: I need help on this elimination problems:
1.
2x= 2 - 9y
21y= 4 - 6x

Click here to see answer by richwmiller(17219)

Question 842225: I m stuck at 2 Questions... Kindly answer them....
Q2.The length of a steel beam is a linear function of the temperature.When temperature is 40F a certain steel beam is 50 ft long and at 95F the same beam is 50.12 feet long.What is the length of the beam at 70F? at what temperature is the beam 49.9 feet long?

Click here to see answer by richwmiller(17219)

Question 842342: What is the equation to 2x+y=-3 and how do you graph it
Click here to see answer by jim_thompson5910(35256)

Question 842296: how to solve by graphing
y=-x+2
-5y-5=10x
Click here to see answer by Fombitz(32388)

Question 842606: 4x+6y=12
2x+3y=6
what is the relationship, if any, between 12 and 6?

Click here to see answer by ewatrrr(24785)

Question 842611: find an ordered pair that satisfies the function y=-3x-10
Click here to see answer by josmiceli(19441)

Question 842619: Rewrite the equation 2y+5x=12
Click here to see answer by ewatrrr(24785)

Question 842622: Solve for x of the line through the two given points has the given slope.
(1ˏ−1)and(xˏx^2−2), m=4
I just don't understand how to find x.
I got the equation y=4x-5 with what was given but I don't know how that helps.
Click here to see answer by ewatrrr(24785)

Question 842633: (5,6); x+5y=3
Click here to see answer by ewatrrr(24785)

Question 842643: Find an ordered pair that satisfies the function y=-3x-10
Click here to see answer by LinnW(1048)

Question 842425: Find a number t such that the line passing through the two points has slope -3.
(5, t); (-5, 5)
Click here to see answer by ankor@dixie-net.com(22740)

Question 842609: y=-3x-10
Click here to see answer by Fombitz(32388)

Question 843018: solve the simultaneous equation :
5/(x+y) - 2/ (x-y) = -1 and
15/(x+Y) + x/(x-y) = 10
Click here to see answer by aulii(13)

Question 843033: Please HELP ME: The American Association of Fund Raising Counsel keeps track of the total number of charitable donations to all the different charities in the US. Let C represent the total amount of donations(in billions of dollars) in the year that is: t years since 2000. Then a reasonable linear model for C is: C=17t + 209. a) state the slope of this model and then write a sentence to explain what it means in the context of the situation. b) state the coordinates of the t-intercept. Then write a sentence to explain what it means in the context of the situation.
Click here to see answer by Theo(13342)

Question 842895: give the standard form of the line that is perpendicular to y=5/8x+6 and contains (-5,9)??? and I want to know if my answer rite but I got 8x+5y=5 for my answer !!!
Click here to see answer by Fombitz(32388)

Question 843081: I have the problem
y>-3x
x is less than or equal to 5y

How would you graph this on the x,y graph? I have the dotted line first inequality graphed but I'm stuck on the second one.
Click here to see answer by ewatrrr(24785)

Question 842864: Find the point on the line -3 x + 4 y + 3 =0 which is closest to the point (1,-5)
Click here to see answer by Fombitz(32388)

Question 843186: Slope -1; y-intercepts (0,-3)
Click here to see answer by rfer(16322)

Question 843183: The sum of two numbers is 24.
The larger number is two more than three times the smaller number.
Find the large number.
Click here to see answer by ewatrrr(24785)

Question 843205: how do you find the y-intercept to y-10=5/-2(x+2)
Click here to see answer by Fombitz(32388)

Question 843249: Find the value of r so the line that passes through each pair of points has the given slope.
(6,2),(9,r),m=-1
Click here to see answer by ewatrrr(24785)

Question 843194: The diagram shows an equilateral triangle. (On the page).
Left side- 2x+y
Right side- 5x-8
Base 3y+2
All sides are measured in cm!
A) Show that 3y=5x-10
B) Find the value of x and y
C) Find the perimeter of the trianlge
Thanks!
Click here to see answer by richwmiller(17219)

Question 843501: use the given conditions to write an equation for the line in point-slope form, slope-intercept for, and standard form. passing through (-6,-5) and parallel to the line whose equation is y-6=5/4(x-1).
Click here to see answer by Cromlix(4381)

Question 843457: What is the slope of a line perpendicular to the line whose equation is 12x−15y=−315

Click here to see answer by Cromlix(4381)

Question 843515: find the equation of the line through (4/3,-2) parallel to y-axis ?
Click here to see answer by ewatrrr(24785)

Question 843516: find the equation of the line through (1/2,10) parallel to x-axis
Click here to see answer by ewatrrr(24785)

Question 843519: Hello, I am trying to solve the following equation algebraically (can not use trial and error)
2b-3=11
I am at point blank!!
Thank you
Click here to see answer by Cromlix(4381)

Question 843522: How do I find the expression of the x-intercept from the equation px qy=z
Click here to see answer by ewatrrr(24785)

Question 843522: How do I find the expression of the x-intercept from the equation px qy=z
Click here to see answer by mathgenboy(3)

Question 843451: Solve (x + 1 < 4) ∩ (x - 8 > -7)
Click here to see answer by Fombitz(32388)

Question 843667: A jumbo chocolate bar with a rectangular shape measures 10 centimeters in length, 8 centimeters in width, and 2 centimeters in thickness. Due to escalating costs of cocoa, the management has decided to reduce the volume of the bar by 10%. To accomplish this reduction, management decides that the new bar should have the same 2 centimeters thickness, but the length and width of each should be reduced by an equal number of centimeters. What should be the dimensions of the new candy bar?
Click here to see answer by josgarithmetic(39617)

Question 843743: solve the system of linear equation
2x+y=3
6x-2y=14

Click here to see answer by Alan3354(69443)

Question 843807: find the equation of the line that passes through (-1,-3) and (1,0) in standard form
Click here to see answer by 1335(25)

Question 843810: Use the intercept method to graph the equation.
8x + 9y = 0
point 1 ( ? , ? )
point 2 ( ? , ? )
Click here to see answer by josgarithmetic(39617)

Question 843812: Graph the equation.
y = −8
Point 1 ( ? , ? )
Point 2 ( ? , ? )
Click here to see answer by 1335(25)

Question 843812: Graph the equation.
y = −8
Point 1 ( ? , ? )
Point 2 ( ? , ? )
Click here to see answer by josgarithmetic(39617)

Question 843779: please explain how to solve this linear system by graphing: x+y-5=0
x=5-y

Click here to see answer by rfer(16322)

Question 843768: I am very confused on how to solve this problem
Ordered pairs(-1,4)
{Y=-3x+1
{Y=x+5
Click here to see answer by rfer(16322)

Question 843830: The line that passes through the points (3a,4),(-1,2) is parallel to the graph of -4x+2y=6.Find the value of a.
Click here to see answer by josgarithmetic(39617)

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