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

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Question 511361: Write an equation for the line described. Give your answer in standard form. x-intercept -5, y-intercept 2. Answer is -5x + 2y=10. I am not sure why this problem is equal to 10. I know the line standard form is based on Ax+By=C. Thank you for your help.
Click here to see answer by mananth(16946)

Question 511357: solve the system of equations by graphing
3x-2y=-6
-3x-y=-12
Click here to see answer by mananth(16946)

Question 511418: A triangular field is surrounded by 470 yards of fence. The longest side of the feild is 10 yards less than three times the length of the shortest side. The length of the next longest side is two times the length of the shortest side. What is the length of the shortest side?
Click here to see answer by oberobic(2304)

Question 511417: the length of a rectangle rug is 2 feet longer than its width. What is the area of the rug?
Click here to see answer by oberobic(2304)

Question 511426: Graph the equation : f(x)= x^2-5x+6. Clearly label the x-axis, y-axis and origin.
State the domain and range of the above function by predicate notation.
Please help me out with this problem.
Click here to see answer by stanbon(75887)

Question 511513: Write the equation of the line with the following info:
Passes through (5,-7) and is perpendicular to y=5
Thank you for your help!
Click here to see answer by John10(297)

Question 511558: think of a real life situation where a GRAPH HAS NO X OR Y ENTERSECT
Click here to see answer by oberobic(2304)

Question 511601: How would I know if y = 2x - 3 and y = 2x + 4 is a perpendicular or a parallel line?
Click here to see answer by scott8148(6628)

Question 511925: Please help me solve this. I am completely lost. Thank you.
Use the distributive property of multiplication to rewrite -1/3 (9x-6).
Click here to see answer by rfer(16322)

Question 511921: please help with this equation.
Write as a single interval if possible.
[-12,∞)U(8,∞)

Click here to see answer by nerdybill(7384)

Question 512031: find the equation of the line (in the slope-intercept form)that goes through the points (8,3) and (5,-7)
Click here to see answer by jim_thompson5910(35256)

Question 512039: determine the solution of the system graphically
x+y=4
y=3x-4
Click here to see answer by oberobic(2304)

Question 511865: Please help me solve this.
Solve by graphing:
y=2x
y=-2x-8
________________
It asked for the ordered pair and I got x=-2 and y=-12 but it's wrong. What did I do wrong?
Click here to see answer by ankor@dixie-net.com(22740)

Question 512116: Find an equation of the circle that satisfies the stated conditions. (Give your answer in standard notation.)
Center C(−4, 6), passing through P(1, 2)
Click here to see answer by Alan3354(69443)

Question 512115: Find an equation of the circle that satisfies the stated conditions. (Give your answer in standard notation.)
Center C(−4, 6), passing through P(1, 2)
Click here to see answer by Alan3354(69443)

Question 512184: Solve the following system by substitution
y=2x+3
5x-2y+ -8

Click here to see answer by 10301650(32)

Question 512184: Solve the following system by substitution
y=2x+3
5x-2y+ -8

Click here to see answer by mananth(16946)

Question 512180: I have to graph some equation, but i need step by step instructions on how to do it. The equation is 5x-5=3x-y.
Click here to see answer by mananth(16946)

Question 512281: What point below is on the line below Y=4x=2
A)(1,5) B) (-1,-2) D) (-1,0)
Click here to see answer by Alan3354(69443)

Question 512690: Solve the following system of equations.
x+9y=7 (1)
x=8-9y (2)
I'm either looking for an ordered pair or no solution at all.
I just cannot figure out what the (1) and (2) is doing there.
Click here to see answer by oberobic(2304)

Question 512929: Can you please help me graph this linear inequalities y<6x+2
Click here to see answer by mananth(16946)

Question 512936: please help me solve this inequality and set it on a number line -7<9x+2<11
Click here to see answer by stanbon(75887)

Question 512992: Solve the inequality −5x + 8<= x − 4 and show all of your work
Click here to see answer by rfer(16322)

Question 512992: Solve the inequality −5x + 8<= x − 4 and show all of your work
Click here to see answer by Alan3354(69443)

Question 513299: HOW DO YOU SOLVE -2.17<5B I REALLY NEED HELP!:?

Click here to see answer by MathLover1(20849)

Question 513368: how should i change a problem like y=5x-7y to y=mx+b so that i am able to graph it
Click here to see answer by umail08(87)

Question 513368: how should i change a problem like y=5x-7y to y=mx+b so that i am able to graph it
Click here to see answer by MathTherapy(10551)

Question 513761: what is the answer to this algebra question: 7x+19=2x+55?
Click here to see answer by nerdybill(7384)

Question 513755: I am having trouble graphing this equation please help y=-1/3x-1, 4x-3=y
Click here to see answer by stanbon(75887)

Question 514020: what is the inequality of (0,8) and (2,2)
Click here to see answer by solver91311(24713)

Question 514048: Please help I am lost.
write the equation in standard form using only integers and positive coefficient for x.
y+1/6=1/3(x-4)
Click here to see answer by solver91311(24713)

Question 514048: Please help I am lost.
write the equation in standard form using only integers and positive coefficient for x.
y+1/6=1/3(x-4)
Click here to see answer by mananth(16946)

Question 514138: graph the following pair of lines on the same set of axes
y=2x-3
2x+4y=8
show all work and formulas
Click here to see answer by oberobic(2304)

Question 514119: can u help me with my homework i dont get it at all and its really confusing to me. i have algebra 1 and i am learning about compound inequalities with absolute value.
the one i cant get is 2=|g+1|
Click here to see answer by scott8148(6628)

Question 514381: explain why the following system has no solution as it solution set. y = 3x + 2
y = 3x � 4

Click here to see answer by stanbon(75887)

Question 514379: Can somebody help me understand this.Thank you.
Write in a scientific notation: 0.000344
Click here to see answer by stanbon(75887)

Question 514371: I am desperate please help if you can.
Allen uses a slingshot to shoot a marble from a window. The height of the marble h(t) in feet at time (t) seconds is given by h(t)=16t^2-62t+188. How many seconds elapse before the marble hits the ground?
Thank you
Click here to see answer by htmentor(1343)

Question 514405: Please help me solve this
Allen uses a slingshot to shoot a marble from a window. The height of the marble h(t) in feet at time (t) seconds is given by h(t)=-16t^2-62t+188.
How many seconds elapse before the marble hits the ground? Thank you.
Click here to see answer by stanbon(75887)

Question 514571: find the equation in standard form which passes through (-1,4) and (0,9)
Click here to see answer by solver91311(24713)

Question 514914: If m is inversely proportional to the square of n and m is 4/25 when n is 5, find m when n is 8.

Click here to see answer by plover(15)

Question 514971: A path that passes through a pasture rises 323 feet over a horizontal distance of 4600 feet. Find the slope of the path. Round your answer to two decimal places.
Click here to see answer by stanbon(75887)

Question 514969: Find the slope of the line containing the given pair of points. If the line is undefined, state so. (5,3) and (8,-4)
Click here to see answer by stanbon(75887)

Question 515077: Graph each line using x and y intercepts.
2x-3y=6
Click here to see answer by Alan3354(69443)

Question 515111: On the first four exams, your grades are 76, 96, 55, and 77. You ate hoping to earn a C in the course. This will occur if the average of your five exam grades is greater than or equal to 70 and less than 80. What range of grades on the fifth exam will result in earning a C?
Click here to see answer by Alan3354(69443)

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