Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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Algebra: Graphs, graphing equations and inequalities

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Question 17130: Please help! I need to graph both equations of each system in the same coordinate plane. Then estimate the solution (that is, the coordinates of the point of intersection) to the nearest half unit. y = -x + 3 and y = x - 4 Please explain to me how I would go about doing this.
Click here to see answer by rapaljer(3622)

Question 17072: Find the equation of the line which satisfies each set of conditions:
passes through the point with coordinates (-2, 1) and (0, 0)
Click here to see answer by venugopalramana(3286)

Question 17071: Find the equation of the line which satisfies each set of conditions:
passes through the point with coordinates (-2, 1) and has slope 2
Click here to see answer by venugopalramana(3286)

Question 17270: what is the slope if the line is -1/2 and it passes through the point (1,2)?
Click here to see answer by plourde216(7)

Question 17295: x+9=-7
x=-16
Click here to see answer by piglet162431(90)

Question 17295: x+9=-7
x=-16
Click here to see answer by dawnhatch(2)

Question 17311: 3x-6y=9 You have to solve for x and y. Then graph the two points on a graph. Then name the slope and y intercept.
Thanks in advance
Click here to see answer by mmm4444bot(95)

Question 17311: 3x-6y=9 You have to solve for x and y. Then graph the two points on a graph. Then name the slope and y intercept.
Thanks in advance
Click here to see answer by gerleng(1)

Question 17318: i need help on using properties together.the question is 8x+7-7x>-3 the back of th e book says the answer is -10 but i cant figure out how they got that answer.
Click here to see answer by Earlsdon(4900)

Question 17277: y=4-(x-2)^2
Click here to see answer by rapaljer(3622)

Question 17292: Write the equation in slope-intercept form.
a.)8x-4y=16 b.)x-y=-2 c.)-x+3y=-9
Click here to see answer by venugopalramana(3286)

Question 17422: 3x-4=23
Click here to see answer by elizabeth2005(20)

Question 17422: 3x-4=23
Click here to see answer by sjohn424(1)

Question 17443: graph the linear function 2x+y=15

can you help me solve this question?
and help me ifnd out what the x intercept is and what it represents in this situation
stevani winters
Click here to see answer by rapaljer(3622)

Question 17421: 5k+15=35
Click here to see answer by tjnw79(57)

Question 17251: write an equation for the line with slope 3/2 that passes through {0,2}.
Click here to see answer by rapaljer(3622)

Question 17512: 3x+y for x=4 y=3
Click here to see answer by venugopalramana(3286)

Question 17593: 3x+4y=12 what is its form in y equals
Click here to see answer by rapaljer(3622)

Question 17548: Find slope given the following points: (2.5) and (2.1)
Click here to see answer by whisper(27)

Question 17591: 3x+4y=12
Click here to see answer by xcentaur(357)

Question 17637: how would i find the slope of the line for a problem like this one
-4x-2y=-10
this problem really confuses me while looking for the slope i get lost in the numbers

Click here to see answer by venugopalramana(3286)

Question 17638: i am in desperate need of some help...i do not understand how to do this it confuses me...
it says "using f(x)=2x+1 find..
f(-1)=
f(3.2)
im not looking for the answers im lookin to learn how to solve these so that i can do it on my own...any help would be greatly appericiated..
thanks
Click here to see answer by venugopalramana(3286)

Question 17640: my problem states tell if the relation of the graph is a function
and the set of ordered pairs are (-2,3) (-4,3) (-6,3) (2,-1) (4,-1) (7,-1)
and they want to know is there a function now i dont know i think its not..but could someone please help me so that i can be more sure about it?
Click here to see answer by venugopalramana(3286)

Question 17628: {x^2-3}=2x
Click here to see answer by pwac(251)

Question 17674: One plane left New York headed to Tokyo flying at an average speed of 375 mi/h. Another plane left New York 1 h. later following the same route and flying at an average speed of 500 mi/h. If both planes followed the same course, how many hours after it left New York would the second plane catch up to the first plane?
Write an equation you could solve to answer the question.
Click here to see answer by rapaljer(3622)

Question 17660: 2<5-2x/3<7
Click here to see answer by venugopalramana(3286)

Question 17700: y=4-(x-2)^2 idntify the intercepts
Click here to see answer by xcentaur(357)

Question 17816: Solve.
The formularN=0.07x + 4.1 modles the number of women, N, in million, enrolled in U.S college x years after 1984. how many years after 1984 is the projected enrollment for women expected to reach 6.2 million? In which year is this projected?
Click here to see answer by venugopalramana(3286)

Question 17814: Solve.
The formularN=0.07x + 4.1 modles the number of women, N, in million, enrolled in U.S college x years after 1984. how many years after 1984 is the projected enrollment for women expected to reach 6.2 million? In which year is this projected?
Click here to see answer by venugopalramana(3286)

Question 17859: y =sq root 3-x identify the intercepts
Click here to see answer by LilSkittleMd(119)

Question 17903: In wich quadrent is each point located? (4,3) (-2,7) (4,-9)
Click here to see answer by pwac(251)

Question 17965: how do you solve eniqualities
Click here to see answer by venugopalramana(3286)

Question 17988: What number decreased by 3.5 equals 12.7
Click here to see answer by xcentaur(357)

Question 17925: 3x+1=-7y
6x+7y=0
Click here to see answer by xcentaur(357)

Question 17848: plese help need 6x=3x^2 need help with problem need to slove and graph
Click here to see answer by xcentaur(357)

Question 18066: okay i am kinda sure about this but i just wanted to make sure that i am doing this right
..okay in my problem it says what is the value of y when x=
then it says remember y=f(x) im thinking that the value of y is the same value of x if this is wrong wil you please tell me and show me what i am doin that is wrong
Click here to see answer by mmm4444bot(95)

Question 18062: when you figure a slope of a line:
during the process when you are at the point of using x's coeffiecent, (for example: 3/1) when you would go up three, would you ALWAYS turn right and go over the next number?
-7th grade student
Click here to see answer by mmm4444bot(95)

Question 18068: can you tell me how to do slopes please!!!
Click here to see answer by mmm4444bot(95)

Question 11984: twenty-minus a number is 42.find the number
Click here to see answer by brittbad1(2)

Question 11984: twenty-minus a number is 42.find the number
Click here to see answer by jake4blues(1)

Question 18258: Find the slope of the line whose equation is x=5.

Click here to see answer by Kuroinu(8)

Question 18320: What is the distance between (2,-3) and (1,2)
Click here to see answer by venugopalramana(3286)

Question 18430: what is write in slope-intercept form the equation of the line shown in the graph?
Click here to see answer by MelanieBCC(40)

Question 18458: how do I determine the x and y intercepts of the graph of x=3y^2-9 ??
Thanks
Click here to see answer by venugopalramana(3286)

Question 18347: How do I graph 3x-6=0 ?
Click here to see answer by xcentaur(357)

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