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

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Question 1059195: Is x=-2y^2+7 linear or nonlinear?
Click here to see answer by Boreal(15235)

Question 1059196: Draw a line through the given point having the given slope
(-1,3)
Slope=1
Click here to see answer by Boreal(15235)

Question 1059186: Linear or nonlinear? Why? Y=-2x cubed
Click here to see answer by Boreal(15235)

Question 1059189: What are the slopes of the following binomials
1. 4a+4b-8=4c-2a
2. 3x+4y+-12
3. -9=3y-x
4.24=-2x-6y
5.48=12y-24x

Click here to see answer by Alan3354(69443)

Question 1059252: How do I solve this system using elimination?

-2x+2y+3z=0
-2x-y+z=-3
2x+3y+3z=5
Click here to see answer by Alan3354(69443)

Question 1059351: 2y=8
Click here to see answer by ikleyn(52781)

Question 1059349: How to solve linear equation : 2-6(m+1)=4(2-3m)+6
Click here to see answer by ikleyn(52781)

Question 1059369: The equation y=2/3x represents the cost y (in dollars) for x pounds of bananas.
Graph equation, use graph to estimate the cost of 8 pounds of bananas. Write in a sentence.
I don't understand??? Do I put in different values for x...like 2,4,6,8???
Use equation to find exact cost of 8 pounds of bananas.
y=2/3*8= 5.33
Click here to see answer by rothauserc(4718)

Question 1059387: what is the perpendicular line to y=-2x+6 ? i need help with this problem.
Click here to see answer by Fombitz(32388)

Question 1059391: Please help me graph this equation ASAP: P=75e^0.50136t
Click here to see answer by Fombitz(32388)

Question 1059371: You have $110 in your lunch account and plan to spend $2.75 each school day.
Write an equation that represents the balance in your lunch account. Graph the equation.
is it y=$110-2.75x then input 1,2,3,4 for x to get cost and graph.
How many days will it take to spend all the money in the lunch account? explain.

Click here to see answer by Fombitz(32388)

Question 1059403: how do I graph y= 1/4x + 2?

Click here to see answer by Fombitz(32388)

Question 1059174:
(1 pt)

What is the equation of the graphed line?

Hint: Determine the slope of the line.

y = x

Graph of a line passing through the origin and Quadrants I and III. Line passes through (5, 6).
Click here to see answer by Fombitz(32388)

Question 1059436: Can someone show me how to solve the following linear story problem?

Christopher orders a 3 topping pizza for $15.35,and a 5 topping pizza for $17.95. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost of each topping. I sure need help on this.
Thanks a lot.
Click here to see answer by jorel555(1290)

Question 1059458: Find an equation of the line.Write the equation in the standard form. (3,4); parallel to 7x-y=7. simplify your answer. i'm so confused
Click here to see answer by Alan3354(69443)

Question 1059472: 3x=2y

Click here to see answer by acw1213(28)

Question 1059476: M=1 (12, -8)
Click here to see answer by ikleyn(52781)

Question 1059487: what is the slope of y=7-x
Click here to see answer by Alan3354(69443)

Question 1059489: Suppose the graph of a book stacking model has a slope of 4 and y-intercept of 0.
What is the thickness of each book?
Where did the stack begin?
What would be the height of the stack after 10 books?
Write a formula for the height of the stack after x books?
I am lost please help
Click here to see answer by stanbon(75887)

Question 1059460: If y varies inversely as x, find the constant of variation k and the inverse variation equation for the situation.
y equals=1010 when x equals=6
Find the constant of variation k.
k equals= ? (Simplify your answer.)
? Find the inverse variation equation given y equals=1010 when x equals=6. (Type an equation. Use integers or fractions for any numbers in the equation.)

Click here to see answer by stanbon(75887)

Question 1059459: Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. In one particular pair of markings, R is 4343 mph when T is 88 seconds. Find the speed of a car that travels the given distance in 77 seconds.
Requals= ? mph (Round to the nearest whole number.)

Click here to see answer by stanbon(75887)

Question 1059535: Please solve the following problem with an explanation please...having difficulty:
A. A car was purchased for 3495 and will depreciate 20% each year
Find a linear function for the value of the car at time T in years. Define variables clearly.
B. Graph the functions you found in part A
Click here to see answer by solver91311(24713)

Question 1059514: evaluate f(-x) to determine whether the given function is even, odd, or neither.
49) f(x) = x^3 - 5x
50)f(x)=2x^2+x^4
Thank you
Click here to see answer by Fombitz(32388)

Question 1059630: What is the value of x that makes line 13x+15 , 20x Parallel
Click here to see answer by Alan3354(69443)

Question 1059626: F(4)=13, F(0)=21
Click here to see answer by Alan3354(69443)

Question 1059684: What is the SLOPE and Y-INTERCEPT of y= -5
Click here to see answer by josgarithmetic(39617)

Question 1059698: Find the equation of the line that contains the point
P(−3, 3) and is perpendicular to the graph of 2x + 6y = −5.

Click here to see answer by Fombitz(32388)

Question 1059735: Find an equation for the line perpendicular to the line 5x - 15y = -2 having the same y-intercept as -9x -8y =24
Click here to see answer by Theo(13342)

Question 1059739: y=53x−9y=\dfrac{5}{3}x-9y=
3

5
x−9
Click here to see answer by Fombitz(32388)

Question 1059852: What is the undifined slope that passes through (-3,0)
Click here to see answer by acw1213(28)

Question 1059852: What is the undifined slope that passes through (-3,0)
Click here to see answer by Alan3354(69443)

Question 1059853: What is the solution to solve for x and y using elimination method in the double equation 2x-y=1; x+3y=4. and.
2x-4y=26; 5x+3y=26
Click here to see answer by Alan3354(69443)

Question 1059848: Solve the system of linear equations using Gauss-Jordon elimination with back- substitution. Please show all work!
5x+7y+4z=23
4x+3y+8z=-6
5x+6y+5z=17

Click here to see answer by ikleyn(52781)

Question 1059895: Write an equation in standard form with integer coefficients for the line with slope 9/14 going through the point (-2,-2).

Click here to see answer by Boreal(15235)

Question 1059894: What is the answer in standard form with integer coefficients?
2x + 3y = 30; (2,-5)
Click here to see answer by Alan3354(69443)

Question 1059899: For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)
(−6,5), m = −43
Find y if the line through (5, 7) and (9, y) has a slope of 6.
Please help me im so confused :(
Click here to see answer by Alan3354(69443)

Question 1059898: Find the slope of a line parallel to the line that crosses (4,3) and the y-intercept is (0,4).

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)
(−2,4), m = 0
Please help me with these problems :(
Click here to see answer by josgarithmetic(39617)

Question 1059887: Write the equation of the line perpendicular to 3x + y = -8 that passes through (-3, 1). Write your answer in slope-intercept form. Show your work.
Click here to see answer by josgarithmetic(39617)

Question 1059936: what is the solution to solve for x and y using elimination method in this two equation 5x+2y=2 and 6x-y=6...
Click here to see answer by josgarithmetic(39617)

Question 1060011: For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)
(−6,5), m = −4/3
Please help me im so confused :(

Click here to see answer by acw1213(28)

Question 1060136: How do I write the equations of the horizontal and vertical lines that pass through the given point?
1. (8,3)
2. (5, -5)
Click here to see answer by Edwin McCravy(20055)

Question 1060142: Consider a waiter at a restaurant: The waiter is paid a flat, weekly salary of $100.00, and 80 % of all the tips received (20% of the tips are reserved for the staff setting and cleaning the tables).
Click here to see answer by Alan3354(69443)

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