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

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Question 320855: need to change 3x-2y=-16 to a slope intercept form
Click here to see answer by jim_thompson5910(28598)

Question 320768: Write an equation of the line containing the given point and parallel to the given line. Express in the form of y=mx+b,
1. (4,7); x+6y=7
2. (-4,7); 8x=5y+3
3. (6,8); 3x+y=8
4. (4,-9); 9x+7y=8

Click here to see answer by checkley77(12569)

Question 320750: Find an equation of the line containing the given pair of points. (-2,-7) (-5,-3)
Click here to see answer by checkley77(12569)

Question 320881: How do I find the slope of a line parallel to the line -6x + 3y = -7?
Click here to see answer by stanbon(57412)

Question 320900: Help me please with these problems: Find the y-cooridnates of the given points. Plot those points and graph the linear equation.THANKS!!!
Problem 1
y=1/2x-4
(0,),(2,),(-2,)
Problem 2
y=3x-2
(0,),(1,)(2,)
Click here to see answer by toidayma(44)

Question 320932: Solve the system of equations by graphing.
y= 1/4 x + 5
3y= 3/4 x + 15
Click here to see answer by Fombitz(13828)

Question 319947: Graph the line with slope -1 passing through the point (-1,2)
Click here to see answer by Fombitz(13828)

Question 321157: What is the equation of a line that is perpendicular to 7x+8y-12=0 and passes through (-2,5)?
Click here to see answer by Alan3354(30993)

Question 321157: What is the equation of a line that is perpendicular to 7x+8y-12=0 and passes through (-2,5)?
Click here to see answer by mananth(12270)

Question 321158: How do I solve this system using the substitution method?
x-y=3
2x-3y=-1
Click here to see answer by Alan3354(30993)

Question 321184: I need help with graphing this f(x)=x^3-2. I also need to show my t-table?
Click here to see answer by Alan3354(30993)

Question 321229: given the linear equation find the y- coordinates of the given points--- show your work?

plot those points on graph the linear equation .
Click here to see answer by stanbon(57412)

Question 321220:
Y-2=-1/4 (X-2)
Click here to see answer by checkley77(12569)

Question 321293: Graph y=2x+3
Click here to see answer by jim_thompson5910(28598)

Question 321296: Hello; I wondered if you could explain how to answer this question:
Solve each system by graphing. y=-2/3x and 2x+3y=5

Click here to see answer by jim_thompson5910(28598)

Question 321297: I am struggling with "find the slope and y-intercept. x=2"
Click here to see answer by jim_thompson5910(28598)

Question 321298: How would I write the equation of the line with slope -2 and y-intercept (0,5)?
Click here to see answer by jim_thompson5910(28598)

Question 321301: Help please..find the slope of any line perpendicular to the line through points (10, 18) and (6, 10).
a. -1/2
b. 1/2
c. -2
d. 2
Click here to see answer by jim_thompson5910(28598)

Question 321307: Write the linear equation x = 1/3 y - 2/3 in standard form.
Click here to see answer by jim_thompson5910(28598)

Question 321310: Find the x-intercept of the line that has an equation of -3x + 6y = 9.
Click here to see answer by jim_thompson5910(28598)

Question 321310: Find the x-intercept of the line that has an equation of -3x + 6y = 9.
Click here to see answer by ankor@dixie-net.com(15661)

Question 321318: Find the slope of the line that has an equation of 4x - 2y = 6.
is the answer ; -2?
Find the slope of the line passing through the points (-2, 3) and (-5, 6).
is the answer; 7/3?
Click here to see answer by jim_thompson5910(28598)

Question 321319: what is the standard form for the equation of the line which passes through the point (5, 2) and which has a y-intercept of 7.
what is the standard form for the equation of the line which passes through the point (–1, –2) and is parallel to the line that has an equation of 6x + 2y = 4.
Click here to see answer by jim_thompson5910(28598)

Question 321322: Identify which equation is a graph of a vertical line.
x = 4y
y = 4
x = 4
4x = y
is the answer; y=4?
Identify which equation is a graph of a horizontal line.
2x + 3 = 4y
–4x = 8
2x = 3y
2y = 10
is the answer; 2x=3y?
Click here to see answer by jim_thompson5910(28598)

Question 321317: Your friend is taking an algebra class that began one week after ours. Explain to your friend how by looking at two linear equations you can tell that corresponding lines are parallel and how you can tell that corresponding lines are perpendicular from the equations alone.
Click here to see answer by mananth(12270)

Question 321211: Graph the solution for the following inequality -y<4x. The problem is -y is less than or equal to 4x. Can't figure out how to get the less than and the equal sign together in this box.
Click here to see answer by Dummy Alphabet(3)

Question 321430: Solve
-5/4x≥-1/8
Click here to see answer by rfer(12677)

Question 321423: Find the intercepts. Then graph?
3x -6y = 1
Click here to see answer by rfer(12677)

Question 321515: Find an equation for the line that passes through the points (5, -4) and (1, -2)
Click here to see answer by jim_thompson5910(28598)

Question 321589: f(x)=-3x+9

Click here to see answer by Fombitz(13828)

Question 321813: Solve for x.

x−1 1
–9 x−7
= 0
STEP 1: Solve for the determinant in terms of x.

x−1 1
–9 x−7
=
STEP 2: Set your result from Step 1 equal to zero and solve for x.
x =
Click here to see answer by solver91311(16897)

Question 321847: 4x-12y=4
4x-12y=5
wht is the solution of the system?
Click here to see answer by solver91311(16897)

Question 321899: what is the solution of the following system of linear equations?
x + 2y = -7
x = y + 23
a. (11,-10)
b. (13, -10)
c. (13, 10)
d. (10, -13)
Click here to see answer by mananth(12270)

Question 321851: x+6y=20
-x+3y=7
sovle by elimination method.
Click here to see answer by Fombitz(13828)

Question 321849: The perimeter of a rectangle is 242 inches. The length exceeds the width by 55 inches. Find the length and width.
Click here to see answer by mananth(12270)

Question 321959: Roger is 6 years older than Zoe. Three years ago, Zoe's age was two-thirds of Roger's age. Find their present ages.
*Let Roger's age be x and Zoe's age be y
Click here to see answer by mananth(12270)

Question 321962: A fraction is equivalent to 1/3 if its numerator decreases by 2 and its denominator increases by 5. When its numerator is doubled and 3 is subtracted from its denominator, the fraction becomes 8/5/ Find the original fraction
Click here to see answer by Theo(3468)

Question 321983: 7m+n=30
m-3n=20
solve by elimination method
Click here to see answer by mananth(12270)

Question 321983: 7m+n=30
m-3n=20
solve by elimination method
Click here to see answer by Jk22(389)

Question 322161: Exercises 25–44: Identify where ƒ is increasing and where ƒ
is decreasing.
ƒ(x) = 0.3x^2 - 4
cheers! thanks for the help
Click here to see answer by solver91311(16897)

Question 322167: Use the point-slope form to write the equation of the line with the given properties. Write each equation in standard form.
m = -3 passing through P(3, 5)
Click here to see answer by solver91311(16897)

Question 322227: Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set−builder notation to write the solution set. If a system has no solution, state this.
6x-2y=2
9x-3y=1
Click here to see answer by Edwin McCravy(8916)

Question 322262: find a second point on the line of the line passes through the point (-1,5) with slope -1/2. thank you.
Click here to see answer by Fombitz(13828)

Question 322160: how do you solve the problem (1,3)(2,4) and (-2,1)(-3,0)
Click here to see answer by Fombitz(13828)

Question 322364: what are the intercepts of the equation 7x-2y-14z=56
Click here to see answer by Fombitz(13828)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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