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

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Question 47891: The task is to create a straight line graph representing the increase in weight that an athlete lifts over time as he follows a workout regimen. It does not come from a text book as I came up with it as a homework assignment. I now have to show graphic representation. It made sense to me that this would be a straightline graph but I'm just not sure how to set up the equation as such.

Click here to see answer by stanbon(26297)

Question 47880: find values of m and b in the following system so that the solution to the system is (-3,4)
5x+7y=b and mx+y=22
Click here to see answer by pizza(14)

Question 47904: In a town election with two candidates, the winning candidate had 220 more votes than the loser. If 810 votes were case in all, how many votes did each candidate receive?
Click here to see answer by 1980.vikas(7)

Question 47962: The length of a rectangle is 3in. more than twice its width. If the perimeter of the rectangle is 36in., find the dimensions of the rectangle.
Click here to see answer by checkley71(8405)

Question 48022: can someone please help me this equation I have tried to solve it but I keep getting the wrong answer I need for someone to show me how to graph it.
thanks.

Solve the following system of linear inequalities by graphing.
3x – y < 2
x + y > 2

Click here to see answer by longjonsilver(2297)

Question 48077This question is from textbook COLLEGE ALGREBRA WITH MODELING AND VISUALIZATION

: X^2-6X+8=0This question is from textbook COLLEGE ALGREBRA WITH MODELING AND VISUALIZATION

Click here to see answer by tutorcecilia(2042)

Question 48076: How would I create one statement in English representing an algebraic relationship?
Click here to see answer by stanbon(26297)

Question 47903: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture?
Click here to see answer by stanbon(26297)

Question 48089: Solve the system by graphing and state the coordinates of the solution:
x-2y=8 and x+y=-1
Click here to see answer by Nate(3495)

Question 48088: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number
Click here to see answer by Nate(3495)

Question 48142This question is from textbook Beginning Algebra

: section 6.1
Please help: I do not get this
Complete the ordered pairs so that each is a solution for the qiven equation.
3x + 4y=12 (0, ), ( , 3/4), ( ,0),(8/3, )This question is from textbook Beginning Algebra

Click here to see answer by Earlsdon(4900)

Question 48143This question is from textbook Beginning Algebra

: Celsius temperature readings can be converted to Farenheit readings using the formula F= 9/5C + 32. What is the Fahrenheit temperature that corresponds to each of the following Celsius Temperatures: -10, 0, 15, 100? This question is from textbook Beginning Algebra

Click here to see answer by cowess(34)

Question 48158This question is from textbook Beginning Algebra

: Business and Finance question
When x number of units are sold, the price of each unit(in dollars) is given by p= -x/2 + 75. Find the unit price when the following quantities are sold: 2, 7, 9, 11. This question is from textbook Beginning Algebra

Click here to see answer by tutorcecilia(2042)

Question 48276: Jenny exercises on a treadmill. After 2 minutes, her heart rate is 82, after 3 minutes it is 86. Assume a linear relationship between time and heart rate. Predict the heart rate after 10 minutes.
Click here to see answer by Nate(3495)

Question 48337: Graph

3x + 2y = 6

Thanks!
Click here to see answer by Nate(3495)

Question 48338: Divide

x^4 + x^2 - 80/ x + 3

Thank You!
Click here to see answer by Nate(3495)

Question 48339: Divide (x⁴ + x² - 80)/(x + 3) Thank You!

Click here to see answer by AnlytcPhil(958)

Question 48350: Write the equation of the line that passes through point (6,4) with a slope of 2

Thanks
Click here to see answer by stanbon(26297)

Question 48350: Write the equation of the line that passes through point (6,4) with a slope of 2

Thanks
Click here to see answer by venugopalramana(3286)

Question 48356: I am trying to solve this equation:
5(x+3)-1/2=-x+2/3 (that's x+2 divided by three)
Thanks,
CM

Click here to see answer by Nate(3495)

Question 48418: I am having TROUBLES with graphs and equations
rewrite the equation -x - 10y = 50 as a function of x
x - 10 = 50
x = 60
Click here to see answer by cowess(34)

Question 48450This question is from textbook Beginning Algebra

: Find the slope of the line through the following pairs of points.
(-5,-3) and (-5, 2)
How do I do this type of problem. I have about 10 practice problems like this and I need help on the first one, so I can work from there.This question is from textbook Beginning Algebra

Click here to see answer by Nate(3495)

Question 48451This question is from textbook Beginning Algebra

: How do I find the constant of variation k?
"m" varies directly with n; m =144 when n = 8. This question is from textbook Beginning Algebra

Click here to see answer by Nate(3495)

Question 48447This question is from textbook Beginning Algebra

: Please help me graph the following equation by first solving for y?
2x - 3y = 12This question is from textbook Beginning Algebra

Click here to see answer by stanbon(26297)

Question 48447This question is from textbook Beginning Algebra

: Please help me graph the following equation by first solving for y?
2x - 3y = 12This question is from textbook Beginning Algebra

Click here to see answer by checkley71(8405)

Question 48510: Determine the equation of the line through (0,4) with a slope of 1/3. Write the answer in standard form using only integers as the coefficients
Click here to see answer by tutorcecilia(2042)

Question 48513: Determine the equation of the line through (-4,7) with a slope of -2. Write the answer in standard form using only integers as the coefficients.
Click here to see answer by tutorcecilia(2042)

Question 48511: Write the following equations in slope-intercept form:

a) y + 2 = -6(x – 1)
b) 1 – 2x – y = 0

Click here to see answer by tutorcecilia(2042)

Question 48443This question is from textbook Beginning Algebra

: Can someone show me how to graph the following equation , using the intercept method?
2x + 3y=6
Thank You.This question is from textbook Beginning Algebra

Click here to see answer by checkley71(8405)

Question 48541: I would like to have a step-by-step formula for the coordinates for graphing the equation 4y+3x=4y-2.
Click here to see answer by cowess(34)

Question 48553: Given f(x) = 4x + 4, find f(0). Thanks guys?!
Click here to see answer by Nate(3495)

Question 48552: Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 6y = 30
L2 with equation 6x + y = 6
A) Parallel
B) Perpendicular
C) Neither
Any help is wonderful?? :)
Click here to see answer by josmiceli(3013)

Question 48569: The line through (-1,-2) with slope 3/7
Click here to see answer by algebrapro18(206)

Question 48551: Graph these two problems of inequality. & Graph the inequality x > 2
2x + 3y > 6 I do not understand graph no matter how hard I study.

Click here to see answer by tutorcecilia(2042)

Question 48538: how do you find the slope of the line passing through (7,3) and (9,-2)
Click here to see answer by tutorcecilia(2042)

Question 48656: I hope someone can explain this problem to me. I still do not understand what I am doing or why I am doing it.
Find the slope of the y intercept form that passes through the point (6,-3) and is perpendicular to the line
Please help me!
Mary
Click here to see answer by stanbon(26297)

Question 48761: fill in the chart given this linear equation x-3y=48 everything under y is blank.
x
-6
-3
0
3
6
Click here to see answer by checkley71(8405)

Question 48783: Given the equation 5x+7y=35
Find the x-axis intercept ( , )and the y-axis intercept ( ,) of the line through the points.
Click here to see answer by Nate(3495)

Question 48782: Given the points (x1,y1) = (2,3) & (x2,y2)= (5,9)
Find m (slope) and b (y-axis intercept) of the equation y=mx+b

Click here to see answer by Nate(3495)

Question 48796: Given the equation 3x-12y=24 Find the x-axis intercept ( , ) and the y-axis intercept ( , ) of the line through the points.
Click here to see answer by saltzy57(8)

Question 48795: Given the points (x1,y1)=(-4,8) & (x2,y2)=(6,2) Find m (slope) and b (y-axis intercept) of the equation y=mx+ b
The slope m= and b=
Click here to see answer by checkley71(8405)

Question 48904: I am having trouble understanding how to "find the slope, if it exist, of the line". Example: y=10/3x-5/7 or y=219/298x-6.7. Please help me to understand what this means.
Click here to see answer by Nate(3495)

Question 48917: 9x = -26
This does not come out right at all, please help
Click here to see answer by checkley71(8405)

Question 48954: what is the equation of the line going through (5,3) and (7,-8)

Click here to see answer by checkley71(8405)

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