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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 163837: x/7 - 1 < 2/3 what is the solution
-
Click here to see answer by kennedysj(5)

Question 163865: Graph each equation plot at least 5 points
x-2y=6

Click here to see answer by orca(409)

Question 163890: 3x+7y-28=0
-x+12y-5=0
Click here to see answer by alicealc(293)

Question 164032: I do not understand how to set this problem up.Please help.Also, how can I check my answer.Thanks in advance.
Walt made an extra $9000 last year from a part-time job. He invested part of the money at 9% and the rest at 8%. He made a total of $770 in interest. How much was invested at 8%?
Click here to see answer by Earlsdon(6294)

Question 164058: Could you please help me solve this problem. I am confused.
The following equation is given in standard form Ax+By=C. Identify A,B and the slope of this line.
2x+3y=9
I am confused on what steps to take to solve the problem.
Thank you
Cathy
Click here to see answer by nerdybill(7384)

Question 164166: Write the slope intercept form of an equation for the line that passes through the given point and is perpendicular to the graph of the equation
(-2, 0), y = x-6
Click here to see answer by checkley77(12844)

Question 164186: Please help me solve this problem. I am having a difficult time to find the solution to this problem.
Solve the following inequalities.
-2.8x+8.4<-14x-2.8
thank you!!
Click here to see answer by ptaylor(2198)

Question 164221: X Y
1 0.01
2 0.02
3 0.03
Have to find rate of change ,y intercept, and equation in intercept form!
Hurry!!!!!!!!!!!!!!!!
Click here to see answer by aka042(26)

Question 164266: I need help on finding a slope-intercept formula with the slope of 2 and the point that it passes through being (3,2). Can you please help me?
Click here to see answer by kennedysj(5)

Question 164360: TABLE 1
X Y
-2 3
-1 3
0 3
1 3
2 3
WRITE AN EQUATION FOR EACH LINEAR RELATIONSHIP. EXPLAIN WHAT INFORMATION THE NUMBERS AND VARIABLES REPRESENT IN THE RELATIONSHIP.
Click here to see answer by stanbon(75887)

Question 164363: Solve the system of equations graphically and classify as consistent or inconsistent. x-y = 4, x-y = 2
Click here to see answer by Fombitz(32388)

Question 164314: this question is from a worksheet
Graph the inequality x+5y>5 using the slope and intercept method. i have solved this problem and got 0>5 and slope of -1/5 and y intercept of 1, my only problem is to decide whether to shade above or below. i have read the explanations given on the algebra.com, but im still having trouble understanding it. can you please explain it to me in a more simpler way considering this example along with it. thanks fatma
Click here to see answer by Fombitz(32388)

Question 164450: How do You Solve this equation
A student has earned scores of 87,81 and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must be earn on the fourth test?
a.85
b.86
c.87
d.92
e.93

Click here to see answer by vleith(2983)

Question 164367: Need to solve: 1/2(2k-4)=3(k+2)-3k
Click here to see answer by checkley77(12844)

Question 164533: m=2,b=-4
m=0,b=4
m=-3,2=-2
m=-1,b=0
m=1/2,b=2
m=-4/5,b=-1
Click here to see answer by jim_thompson5910(35256)

Question 164568: graph y=2/3x-4
Click here to see answer by checkley77(12844)

Question 164567: graph 3x+4y=12
Click here to see answer by checkley77(12844)

Question 164578: is 3x-4=12 an linear epuatoin
Click here to see answer by stanbon(75887)

Question 164590: graph each line
y=3/5x-3
Click here to see answer by jim_thompson5910(35256)

Question 164589: graph each line
y=-5/6x-5
Click here to see answer by jim_thompson5910(35256)

Question 164581: can someone please help me with this question.
Given a system of two linear equations in two variables, if the graphs of the two equations coincide, then the system is independent.
True or False
Click here to see answer by jim_thompson5910(35256)

Question 164588: determine the the solution of the equation
2x-3y=-12
Click here to see answer by jim_thompson5910(35256)

Question 164628: is the ordered pair (-10,10) a solution to the linear equation y=-x?
Click here to see answer by Earlsdon(6294)

Question 164642: I'm lost here. Can you help. Once I know how to do one problem I can usually do the rest but my book doesn't explain this one and I am taking online classes so no teacher to ask. Thanks.
Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
2(x + 3) > 20

Click here to see answer by Fombitz(32388)

Question 164771: graph equation:
2x-y=6
Click here to see answer by checkley77(12844)

Question 164818: write an equation of the line that passes through (1,6) and is parallel to the line x-y=4.
Click here to see answer by Mathtut(3670)

Question 164818: write an equation of the line that passes through (1,6) and is parallel to the line x-y=4.
Click here to see answer by jojo14344(1513)

Question 164820: write an equation of the line that passes through (-2,3) and is perpendicular to the line y=2x+1
Click here to see answer by Mathtut(3670)

Question 164847: please help graph both on same graph. x-y<10
x+y≤8
Click here to see answer by checkley77(12844)

Question 164890: 92. Investing her bonus. Donna invested her $33,000 bonus and received a total of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25% then how much did she invest at each rate?

Click here to see answer by checkley77(12844)

Question 164941: The linear equation x = -1 graphs as a horizontal/vertical/diagonal line (choose the correct label and type it below). Describe how you determined your answer
Click here to see answer by Mathtut(3670)

Question 164938: Algebraically find the x and y intercepts of the equation 3x - 5y = 10 and write each as an ordered pair.

Click here to see answer by Mathtut(3670)

Question 164976: I am having a hard time wrapping my brain around Slope and Intercepts. Can you help answer the question below?
What is the slope and y-intercept of the following equation: 7x + y -28 = 0?
Thanks,
Ricky

Click here to see answer by Mathtut(3670)

Question 164940: 5. Fill in the chart given this linear equation:
2x + y = 42.
Type all your work below the chart.
x y
-2
-1
0
1
2

Click here to see answer by elima(1433)

Question 165073: find the measure of an angle whose supplement measures four times it's measure
Click here to see answer by nerdybill(7384)

Question 165074: r=2n+2w solve for n
Click here to see answer by nerdybill(7384)

Question 165106: show me how to find the answer. I am new at this.
Click here to see answer by midwood_trail(310)

Question 165220: Find the equation of the line perpendicular to 3x � 4y = 9 and passing through (-2, -1). Write the equation in standard form, with all integer coefficients
Click here to see answer by Mathtut(3670)

Question 165284: If(-7,-3) is the midpoint of segment QP and the coordinates of Q are (6,-3) find the coordinates of P.
Click here to see answer by checkley77(12844)

Question 165283: If(-7,-3) is the midpoint of segment QP and the coordinates of Q are (6,-3) find the coordinates of P.
Click here to see answer by checkley77(12844)

Question 165347: Please help me solve this problem. I would appreciate step by step so that it can help me with other exercises.
-6x+2x+6+5x=/0-9/-/-6+5/
Click here to see answer by gonzo(654)

Question 165623: Write a function rule to describe the situation. The number of pounds p(z) as a function of the number of ounces z.
Click here to see answer by oscargut(2103)

Question 163975: the distance traveled at a constant speed directly proportional to the time of travel. if olivia traveled 112 moles in 3.5 hours how many miles will olivia travel in 8.9 hours at the same constant speed.
Click here to see answer by Alan3354(69443)

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