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

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Algebra: Linear Equations, Graphs, Slope

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Question 37427: Given f(x) = 5x + 1, find f(a + 2)
Click here to see answer by vidhyak(78)

Question 37444: Solve the following system of linear inequalities by graphing and stating coordinates in words..
x + 2y < 3 and 2x – 3y < 6
Click here to see answer by josmiceli(3013)

Question 37522This question is from textbook

: We have a quiz and I forgot how to simplify this: 5x to the 12th y square/10xy to the 9thThis question is from textbook

Click here to see answer by fractalier(1804)

Question 37549This question is from textbook

: here it says to divide using synthetic division. I don't understand how to do that. The problem is A to the 7th-2a to the 6th=19 divided by A to the 2ndThis question is from textbook

Click here to see answer by stanbon(26297)

Question 37553This question is from textbook

: Another problem just like the last one I couldn't figure out
16x^-7y^-2/4x^5y^2This question is from textbook

Click here to see answer by fractalier(1804)

Question 37466: Hi will you please explain to me how to determine whether each relation is linear. Here is one problem:
y=-4
Click here to see answer by fractalier(1804)

Question 37434: Graph f(x) = 4x + 1 explain the graph points in words.
Click here to see answer by fractalier(1804)

Question 37433: Graph f(x) = 3x + 2 explain in wordthe points to graph.
Click here to see answer by fractalier(1804)

Question 37611: Find the slope of the sides of rectangle ABCD having vertices A=(1,4) and
B=(-5,3).
Click here to see answer by venugopalramana(3286)

Question 37611: Find the slope of the sides of rectangle ABCD having vertices A=(1,4) and
B=(-5,3).
Click here to see answer by josmiceli(3013)

Question 37730: When solving a linear inequality, do you always need to solve for y?
Click here to see answer by checkley71(8405)

Question 37783: You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Click here to see answer by stanbon(26297)

Question 37815: Find the slope and y-intercept for each line that has a slope amd y-intercept.
y=3x-9
Click here to see answer by Cintchr(475)

Question 37781: You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Click here to see answer by fractalier(1804)

Question 37729: Why is it true that any two points satisfying a linear equation will give you the same graph for the line represented by the equation?
Click here to see answer by fractalier(1804)

Question 37897: What is x in a line that contains the point (2,6) and (x,15), with a slope of 3?
Click here to see answer by fractalier(1804)

Question 37913: State the equation of the line perpendicular to 3x-2y-6=0 and having the same x-intercept as 8x-y=4
Thanks, SUMEET
Click here to see answer by Paul(988)

Question 37910: State the Equation of the line perpendicular to 4x-y=8 and having the same y-intercept as 7x-2y=4
Thanks, SUMEET
Click here to see answer by Paul(988)

Question 37923: Graph the line with slope 5 passing through the point(3,-2 .
Click here to see answer by Alwayscheerful(414)

Question 37926: what ordered pair is the y-intercept in the equation 2X+3Y=6?
What ordered pair is the x-intercept?
Also put 2X+3Y=6 into y=mx+b form.
i got -2
Y= ---- X -2
-3
for the form and the y-intercept is -2 and the x-intercept is -3 is this correct
Click here to see answer by checkley71(8405)

Question 37950: Determine the coordinates for graphing the equation 3Y + 2X = 4Y – 2
A) (0,2),(-1,0) B) (2,0),(0,-1) C) (3,2),(4,-2) D) (2,3),(-2,4)

Click here to see answer by checkley71(8405)

Question 37951: Find the slope of the line passing through (7,3) and (9, -2)
A) 2/5 B) -2/5 C) 5/2 D) -5/2

Click here to see answer by checkley71(8405)

Question 37951: Find the slope of the line passing through (7,3) and (9, -2)
A) 2/5 B) -2/5 C) 5/2 D) -5/2

Click here to see answer by junior403(76)

Question 37946: A line passes through the point(8,6)and has a slope of 6 . Write an equation for this line in (x,y)-coordinates.

Click here to see answer by checkley71(8405)

Question 37946: A line passes through the point(8,6)and has a slope of 6 . Write an equation for this line in (x,y)-coordinates.

Click here to see answer by junior403(76)

Question 37952: . Find the slope and y-intercept of -2X + 6Y = -15
A) Slope 2 and y-intercept (0,-15) B) Slope -2 and y-intercept (0,-15) C) Slope 1/3 and y-intercept (0,-15/6) D) Slope 3 and y-intercept (0,-1/3)

Click here to see answer by checkley71(8405)

Question 37954: state the equation of the line parallel to y=3/4X-2 and through (5,-1) into standard form
Click here to see answer by Paul(988)

Question 37954: state the equation of the line parallel to y=3/4X-2 and through (5,-1) into standard form
Click here to see answer by junior403(76)

Question 37962: write the equation for a solution line that has the solution points of (4,1) and (-2,4).

what unique ordered pair will satisfy both of the following equations:
5x+2y=1
2x+3y=7

AND, last but not least...
write the equation point that has the solution point's (3,2) and (1,0)
PLEASE EXPLAIN HOW TO GET THE ANSWERS THANKS A BUNCH.
~EVY~
Click here to see answer by sonimyke(4)

Question 37949: Determine the coordinates for graphing the equation 2X – 3Y = 6
A) (-2,0),(0,3) B) (0,-2),(3,0) C) (2,-3),(6,0) D) (-3,2),(0,6)

Click here to see answer by checkley71(8405)

Question 38013: Please help me solve the following problem.
Interest rate. A credit manager rates each applicant for a car loan on a scale of 1 through 5 and than determines the interest rate from the accompanying table. Find the equation of the line in slope intercept form that goes through these points.
Credit Rating Interest Rate%
1 24
2 20
3 16
4 12
5 8
Thank you so much for your help
Click here to see answer by stanbon(26297)

Question 38010: solve graphically ans algebraically:
-2x+3y=6
3x+y=2

write the equation for a solutionline that has points (4,1) and (-2,4)

what ordered pair is the y-intercept and the x-intercept of the linear equation 2x+3y=6
Click here to see answer by lyra(94)

Question 37430: Rewrite the equation 4x – 10y = 11 as a function of x
Click here to see answer by fractalier(1804)

Question 38143: Write the equation of the line with slope of 5 and a y-intercept of (0,4)
A) y = 5x + 4 B) 5x = 4y C) 4x = 5y D) y = 4x + 5

Click here to see answer by Nate(3495)

Question 38143: Write the equation of the line with slope of 5 and a y-intercept of (0,4)
A) y = 5x + 4 B) 5x = 4y C) 4x = 5y D) y = 4x + 5

Click here to see answer by AnlytcPhil(958)

Question 38168: I have 7/6x - 3/2 = 6/9. How would you go about finding the answer?
_________________
Robert
There are people I know who won't hurt me. I call them corpses.
- Randy K. Milholland
Click here to see answer by checkley71(8405)

Question 38179: Need some help
Find the equation of a line that contains the point (-2,4)and is parallel to
y=2x-3
thank you for your time.
Click here to see answer by fractalier(1804)

Question 38149: Question: Find the equation of a line that contains the point(-2,4) and is parellel to the y=2x-3. Please show the steps.
Click here to see answer by fractalier(1804)

Question 38238: I need help on graphing equations. I can rearrange the equation so that it is graphable, but I do not know how to graph it.
for example i tried 2x + y= 1 I rearranged it to y=1- 2x
Click here to see answer by stanbon(26297)

Question 38181: Please help me solve the following problem. REally appreciate the help.
Social Security benefits. If you earned an average of $25,000 over your working life and you retire after 2005 at age 62, 63, 64, then your annual Social Security benefit will be $7000,$7500, $8000, respectively (Social Security Administration. There is a liner equation that gives the annual benefit b in terms of age a for these three years. Find the equation
Click here to see answer by stanbon(26297)

Question 38277: Helen's Health Foods usually sells 400 cans of ProPac Muscle Punch per week when the price is $5 per can. After experimenting with prices for some time, Helen has determined that the weekly demand can be found using the equation
d=600 - 40p where d is the number of cans and p is the price per can.
a) Will Helen sell mores or less Muscle Punch if she raises her prices from $5?
b) What happens to her sales every time she raises her price by $1?
Click here to see answer by fractalier(1804)

Question 38279: Hi! I am having difficulty trying to figure this problem out. Any help or direction that you are able to provide in solving is most appreciated!
Two ships leave port at the same time. Ship A sails north at a speed of 20mph while ship B sails east at a speed of 30mph.
a.- Find an expression in terms of the time 't'(in hours) giving the distance between the two ships.
b.- Using the expression obtained in part (a), find the distance between the two ships 2hr after leaving port.
Click here to see answer by fractalier(1804)

Question 38299: What is the standard form of an equation that passes through the points,
(14, 8) and (3, 11) ?
Click here to see answer by ilana(236)

Question 38313: please help me with this question Is the slope of a line
that rises from left to right positive or negative?
Click here to see answer by ilana(236)

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