# Questions on Algebra: Coordinate systems, graph plotting, etc answered by real tutors!

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 Algebra: Coordinate systems, graph plotting, etc Solvers Lessons Answers archive Quiz In Depth

 Question 511578: I need a little bit of help with this problem. I have to graph 1/4^x-2, does that mean that I move my vertex right 2 times and up 4 times? Click here to see answer by stanbon(57282)

 Question 511639: Find x if the slope of a line that passes through the points to [4.3 ] and B[x,7] is equal to 4. Click here to see answer by oberobic(2304)

 Question 511868: The points A(1,7), B(20,7) and C(p,q) form the verticies of a triangle ABC. The point D(8,2) is the mid-point of AC. a) Find the value of p and the value of q. Click here to see answer by stanbon(57282)

 Question 512727: 3 units left of the y axis and six units below the x axis Click here to see answer by oberobic(2304)

 Question 513474: what are the steps to find the x and y intercept of in a equation and give and graph it. Click here to see answer by oberobic(2304)

 Question 513620: find the missing coordinates 2x-3y=6:(3, ), ( ,-2), (-1, ), ( ,2) Click here to see answer by umail08(87)

 Question 513716: Graph by finding the intercepts of the following equation: y=-3/4x+2 Click here to see answer by solver91311(16872)

 Question 513719: The slope of the line is 6, and the y-intercept is (0,2). Write the equation of the line and graph it. Click here to see answer by solver91311(16872)

 Question 513715: Find Three solutions to the following equation and plot this equation: 4x+5y=1 Click here to see answer by solver91311(16872)

 Question 514157: y + 2 = 0 y intercept and slope Click here to see answer by richwmiller(9135)

 Question 514209: graphing linear equation using slope intercept form y=3x+4 Click here to see answer by xdragonfight(116)

 Question 514401: Determine whether or not the equation has a circle in it's graph 4x^2+4y^2-24x-40y+36=0 Click here to see answer by stanbon(57282)

 Question 514596: coompute the rate of changefor the given situation An escalator drops 2ft. for every 7 seconds traveled. Click here to see answer by richard1234(5390)

 Question 514715: Determine how many solutions exist. Use either elimination or substitution to find the solutions (if any). Graph the two lines, labeling the x-intercepts, y-intercepts, and points of intersection. y = 2x + 3 and y = -x - 4 I have found that there is one solution. Here's what I have so far: First I subtracted the first equation from the second equation. y = -x - 4 -y =-2x - 3 --> 0 =-3x - 7 I add 7 to both sides to get: 7 = -3x Then I divide both sides by -3 to get x = -7/3 or x = -2.333 Then I substituted -2.333 in for x in the first equation to find y which came out to -1.666 (when x is -2.333). I came up with intercept points reduced to the hundreths as (-2.33,-1.67) to get the intercept point. Thanks. Click here to see answer by mananth(12270)

 Question 515520: graph the inequality on a plane 2x+3y<6 - I know that the line will be a solid line. Click here to see answer by stanbon(57282)
 Question 515520: graph the inequality on a plane 2x+3y<6 - I know that the line will be a solid line. Click here to see answer by MathLover1(6625)

 Question 516625: On my math homework it says find the slope of the line that passes through the given points (0,1),(-6,3) Click here to see answer by richwmiller(9135)
 Question 516625: On my math homework it says find the slope of the line that passes through the given points (0,1),(-6,3) Click here to see answer by oberobic(2304)

 Question 517509: Find the coordinates of all points that are on the line x=y and are five units from (3,-1). Click here to see answer by Alan3354(30993)

 Question 518247: slope-intercept form of the equation of the line passing through the point (3, -6) and parallel to the line y = 5x + 3 Click here to see answer by rfer(12654)

 Question 519085: I need more help, big surprise!! Find the center and exact radius (no non-terminating decimal places) of this circle: x^2 + y^2 - 10x +4y + 7 = 0 Please show me how to do this!! Thanks for helping me! Click here to see answer by Alan3354(30993)

 Question 519439: Write the slope-intercept equation for the line that passes through (5, -12) and (8, 12). Please show all of your work. Click here to see answer by stanbon(57282)

 Question 519440: Given the equation y= -x^2 +7, calculate the corresponding y-coordinates for x = -3, -1, 0, 1, 3. Please show all of your work. Plot those points and graph the equation. Click here to see answer by mananth(12270)

 Question 519433: Write the slope-intercept equation for the line that passes through (70, 92) and is (a) parallel and (b) perpendicular to 7x + 10y = -24. Please show all of your work. Click here to see answer by mananth(12270)

 Question 519432: Find the x and y intercepts and graph 7x-9y=63 by plotting the intercepts. Please show all of your work. Click here to see answer by mananth(12270)

 Question 519431: Write the slope-intercept equation for the line that passes through (5, -12) and (8, 12). Please show all of your work. Click here to see answer by mananth(12270)

 Question 519510: Write an equation in slope intercept form: The line passes through (2,4) and has the same y-intercept as line line whose equation is x - 4y = 8. Click here to see answer by mananth(12270)

 Question 519919: i need to find the vertex coordinates of y=x^2-x-12 Click here to see answer by stanbon(57282)

 Question 520975: Find the distance d(P1, P2) between the points P1 and P2. P1 = (0.2, 0.4); P2 = (-2.4, -2.9) Round to three decimal places, if necessary. Click here to see answer by solver91311(16872)

 Question 521164: im trying to find the missing coordinates for 3x-2y =6 Click here to see answer by solver91311(16872)

 Question 521550: what are the measures of each marked angle? (2x+51) (5x+3) Click here to see answer by solver91311(16872)

 Question 522167: Two points are located at (-3,2) and (1,-1). What is the distance between the points? Click here to see answer by Maths68(1474)

 Question 522429: IF a line has a rise of 3 and a run of -5, what is the Click here to see answer by Alan3354(30993)

 Question 522498: Write the slope-intercept form of the equation that is perpendicular to the line 6x-4y=8 and passes through the point (1, 4). Click here to see answer by mananth(12270)

 Question 523980: 1.(5x+2)(5x-2)-(x+3)^2 my answer is (5x+2)(5x-2)=5x^2-2^2=25x-4 -(x+3)^2 = -x2+x*2*3+32= -x2+6x+9 -x2+6x+9+25x-4=-x2+31x+5. 2.solving Y=2x+1 Y=3x-1 when i do that with the calculater i get diffrent result then when solve it with algebraic solution this is what i get from the calculator 1,7x;4,49y and this is what i get when i try algebraic solution 2,5x;6y plz help and tell me what i am doing wrong. Click here to see answer by Edwin McCravy(8893)

 Question 524097: Why the line x=4 is a vertical line Click here to see answer by Alan3354(30993)

 Question 524505: find the slope and the y-intercept of the line whose equations is given. 10x+5y=15 Click here to see answer by nerdybill(6951)

 Question 524664: Given the function f(x) = -x^2+8x a. Determine the vertex, b. List the axis of symmetry, c. calculate the y-intercept, d. find an additional point on the graph, and e. graph the function. Please show all of your work. Click here to see answer by solver91311(16872)

 Question 524823: Find the vertical asymptotes, if any, for the following function. Please show all of your work. f(x) = x+11/x^2-16x Click here to see answer by solver91311(16872)

 Question 525657: How to graph this linear function to find the domain and range? f(x)=3x Click here to see answer by solver91311(16872)

 Question 525732: how do determine if the coordinates are y-intercept or x-intercept Click here to see answer by scott8148(6628)

 Question 526241: Find the ordered-pair solution of y = 5/9x+1 corresponding to x = 0. what do i do Click here to see answer by Alan3354(30993)

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