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

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Question 72389This question is from textbook algebra 1
: what type of equation do i use to give the slope-intercept of an equation of the line that is perpendicular to 8x+5y=4 and contains (-9,1)?This question is from textbook algebra 1

Click here to see answer by stanbon(26297)

Question 72402: using the slope formula find the slop using (5,6 and (-3,1)
Click here to see answer by pradhyumna.kumar@gmail.com(62)

Question 72418This question is from textbook Intermediate Algebra
: Solve the system of equations using the substitution method. If the answer is a uniques solution, present it as an ordered pair (x, y). If not, specify whether the answer is "no solution" or " infinitely many solutions."
-4x + y = 8
2x + 3y = -1This question is from textbook Intermediate Algebra

Click here to see answer by pradhyumna.kumar@gmail.com(62)

Question 72435: please!!!!!!!!

...
Click here to see answer by psbhowmick(456)

Question 72424: please!
if f(3/x)=2x-1/3
compute
f(x)=?
Click here to see answer by psbhowmick(456)

Question 72423This question is from textbook

: help!!!!
if f(2x)=4/2+x
calculate
2f(x)=?This question is from textbook

Click here to see answer by psbhowmick(456)

Question 72461This question is from textbook Beginning Algebra 1A

: Please help me solve and graph 2x -y= 4
2x -y= 6 This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 72475This question is from textbook Intermediate Algebra
: Find the equation, in slope intercept form, of the line that passes through the points (-7,-2) and (-4, 1).This question is from textbook Intermediate Algebra

Click here to see answer by funmath(2873)

Question 72546: 1) find the slope:
and y intercept of the graph of 2x+5y=10
2) A recent survey of the stuednt body showed that 124 out of 200 students were in favor of keeping the nutrition break between 2nd and 3rd hours. Based on these results, predict how many of the 1450 students prefer to keep the nutrition break?
3) graph: y>-1x+2
3
Click here to see answer by stanbon(26297)

Question 72490: Determine if the two equations are parellel, perpendicular or neither
2/5x - 1/3y = 7/8
1/3x - 2/4y = -72
This is not from a book
Click here to see answer by stanbon(26297)

Question 72499This question is from textbook Beginning Algebra 1A

: Please solve for me please
x 5y = 10
-2x-10y=-20This question is from textbook Beginning Algebra 1A

Click here to see answer by elima(1433)

Question 72505: Find the equation of the line if it is perpendicular to the line 3x - 4y = 12 and has the same x-intercept as 4x - 13 = 3y.
Click here to see answer by checkley75(3666)

Question 72581: The homework my teacher assighned asked us to turn an equation in slope-intercept form into one in standard form. I have no problems with this, but it also asked us to find the x-intercept from the equation. Could you please explain to me how to find the x-intercept from a standard equation, please?
Click here to see answer by checkley75(3666)

Question 72580: 5 . Which of the following equations contains the solution points given?
x 1 5 10 9
y 450 90 45 50
A. xy = k
B. x2 + k = y
C. 4x – k = y
D. y = kx – 5

Click here to see answer by checkley75(3666)

Question 72497This question is from textbook Beginning Algebra 1A

: Please solve and graph for me please
2x + 3y =1
5x + 3y =16

This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 72491This question is from textbook Beginning Algebra 1A

: Please solve and graph for me please
3x -6y =9
x -2y =3This question is from textbook Beginning Algebra 1A

Click here to see answer by checkley75(3666)

Question 72658This question is from textbook Beginning Algebra 1A

: thanks, can you please help me solve this
x + 5y = 10
-2x - 10y = -20This question is from textbook Beginning Algebra 1A

Click here to see answer by psbhowmick(456)

Question 72659This question is from textbook Beginning Algebra 1A

: Please help me solve, Thanks
Number problems. Jill has $3.50 in nickels and dimes. If she has 50 coins, how
many of each type of coin does she have?This question is from textbook Beginning Algebra 1A

Click here to see answer by stanbon(26297)

Question 72657This question is from textbook Beginning Algebra 1A

: Thanks for helping me
Please solve and graph for me please.
5x + 7y =b
mx + y =22This question is from textbook Beginning Algebra 1A

Click here to see answer by stanbon(26297)

Question 72700: Find the slope of the line passing through the points (–3, 3) and (–3, –3).
Click here to see answer by checkley75(3666)

Question 72704: Given f(x) = 2x – 5, find f(a + 3).
Click here to see answer by checkley75(3666)

Question 72706: Troy does yard work earning $25 for mowing lawns and $40 the "works", if he earned $370. How many yards did he mow and how many got the "works"?
Click here to see answer by josmiceli(3013)

Question 72714: I have a question.
I have to graph this equation using the slope and y-intercept, y=x-2 and don't get how to do it.
Click here to see answer by bucky(1732)

Question 72745: Graph 0.5x^2-3

Thanks for your help!!!!!
Click here to see answer by stanbon(26297)

Question 72746: Graph this equation: y= -x+1
Click here to see answer by rmromero(383)

Question 72744: Graph 0.5x^2-3
Click here to see answer by rmromero(383)

Question 72748: Please help me with this one: Graph y= -3x
Click here to see answer by bucky(1732)

Question 72701: Write the equation of the line passing through (–4, –10) and (5, –10).
Click here to see answer by jim_thompson5910(13794)

Question 72755: how do i solve -3x=2y in order to graph?
Click here to see answer by jim_thompson5910(13794)

Question 72755: how do i solve -3x=2y in order to graph?
Click here to see answer by rmromero(383)

Question 72755: how do i solve -3x=2y in order to graph?
Click here to see answer by bucky(1732)

Question 72725This question is from textbook pre-algebra

: how do you solve y=2xThis question is from textbook pre-algebra

Click here to see answer by rmromero(383)

Question 72837: Directions: Write an equation in slope-intercept form of the line that pasees through the given point and is parallel to the graph of each equation.
Problem: (1,-2) y=-2x+7
Click here to see answer by checkley75(3666)

Question 72808: An employee who produces x units per hour earns an hourly wage of y = 0.55x + 12 (in dollars). Find the hourly wage for an employee who produces 20 units per hour.
Click here to see answer by checkley75(3666)

Question 72805: Find the slope of the line passing through the points (0, –3) and (7, –5).

Click here to see answer by Meger32(3)

Question 72807: Find the slope of the line passing through the points (–5, 5) and (–3, 5).
Click here to see answer by Meger32(3)

Question 72839: Can someome help me with putting problems into point-slope form, slope-intercept form, parallel lines and perpendicular lines? Thank you!
Click here to see answer by checkley75(3666)

Question 72806: Find the slope of the line passing through the points (–4, 0) and (–4, –2).
Click here to see answer by Meger32(3)

Question 72806: Find the slope of the line passing through the points (–4, 0) and (–4, –2).
Click here to see answer by tulioalvarenga89(4)

Question 72863This question is from textbook algerbra 1
: -5x-8y=15(-3,0)
this is what i got so far
-5x
5(cancel out)8=15

This question is from textbook algerbra 1

Click here to see answer by checkley75(3666)

Question 72983: Which of the ordered pairs
(3, 1), (0, –4), (–4, 0), (–3, –7)
are solutions for the equation x – y = 4?

Click here to see answer by uma(370)

Question 72986: Find the y-intercept.
–2x + 2y = 16

Click here to see answer by uma(370)

Question 72984: Find the slope.
–7x + 2y = 2

Click here to see answer by uma(370)

Question 72985: Find the slope and y-intercept.
7x – 4y = 4

Click here to see answer by funmath(2873)

Question 72981: Write the equation of the line with slope –2 and y-intercept (0, 0).
Click here to see answer by funmath(2873)

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