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

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Question 1030793: L1 has equation kx + 3y = 7 and gradient 3/4
A. Find K
kx+3y=7 3y=kx+7 y=-(k/3)xX+7 -k/3=3/4 k=-9/4
B.find the x-intercept of L1
Click here to see answer by josgarithmetic(39613) About Me 
Question 1030793: L1 has equation kx + 3y = 7 and gradient 3/4
A. Find K
kx+3y=7 3y=kx+7 y=-(k/3)xX+7 -k/3=3/4 k=-9/4
B.find the x-intercept of L1
Click here to see answer by ikleyn(52747) About Me 
Question 1078753: write equations for the vertical and horizontal lines passing through the point (3, -3)
Click here to see answer by MathLover1(20849) About Me 
Question 1078913: the midpoint of line segment AC is at (2,4); the equation of its perpendicular bisector is y = -(1/2)x + 5, and A is on the x-axis. find the coordinates of C.
Click here to see answer by josgarithmetic(39613) About Me 
Question 1079316: 8x + 3y=6 solve for y.
After results. Find y with x=-9
Click here to see answer by MathLover1(20849) About Me 
Question 1079629: Graph the following equation on a rectangular coordinate system: 4x+y-4=0
Click here to see answer by Boreal(15235) About Me 
Question 1079958: Can you please help me solve the following:
Find the x- and y-intercepts of the line represented by the equation below. Plot both intercepts on a coordinate system and draw the line through them. 3x - 4y = 12
Click here to see answer by Boreal(15235) About Me 
Question 1079964: The line passing through ​(−1​,y) and ​(1,0​) is perpendicular to the line joining ​(4,4​) and (−2,1). Find y.
Click here to see answer by josgarithmetic(39613) About Me 
Question 1080524: find the equation of the parabola with axis of symmetry y = 2 and passing through (0,4) and (3,-2)
Click here to see answer by Fombitz(32388) About Me 
Question 1081640: Endpoints of the diameter are (-3,11) and (3,-11). Write the equation of the circle
Click here to see answer by josmiceli(19441) About Me 
Question 1081793: The Sears Tower in Chicago
is the tallest building in North America.
The total height of the tower t and the
antenna that stands on top of it a is
1729 feet. The difference in heights
between the building and the antenna is
279 feet. How tall is the Sears Tower?
Click here to see answer by jorel1380(3719) About Me 
Question 1082014: Find the slope of (5,0)(0,5)
Click here to see answer by MathLover1(20849) About Me 
Question 1082014: Find the slope of (5,0)(0,5)
Click here to see answer by Alan3354(69443) About Me 
Question 1082014: Find the slope of (5,0)(0,5)
Click here to see answer by ikleyn(52747) About Me 
Question 1082014: Find the slope of (5,0)(0,5)
Click here to see answer by josmiceli(19441) About Me 
Question 1082109: find the equation of a circle with centre (-2 , 3) and point (1 , 2)
Click here to see answer by Boreal(15235) About Me 
Question 1082148: A point moves so that its distance from point (2,1) is equal to its distance and forms with the axes a triangle with perimeter of 15 units. Find the equations.
Click here to see answer by ikleyn(52747) About Me 
Question 1082278: Find the distance between points (3, 5) and (4, 6) to the nearest tenth.
Click here to see answer by Alan3354(69443) About Me 
Question 1082354: Find the equation of a line that is tangent to the circle x^2 + y^2 - 8x - 8y + 7 = 0 at the point (1,0).
Click here to see answer by stanbon(75887) About Me 
Question 1082351: Find the equation of a circle that its center is on the line x-2y-9=0 and passes through points (7,-2) and (5,0).
Click here to see answer by josgarithmetic(39613) About Me 
Question 1082351: Find the equation of a circle that its center is on the line x-2y-9=0 and passes through points (7,-2) and (5,0).
Click here to see answer by ikleyn(52747) About Me 
Question 1082342: Two vertices of a triangle are (0,-8) and (6,0). If the medians intersect at (9, -3). Find the third vertex of the triangle.
Click here to see answer by Fombitz(32388) About Me 
Question 1082526: The tangent to y = x^43 - 6x^2 + 8x @ (3,-3) intersects the curve at another point. Determine this point.
Click here to see answer by Alan3354(69443) About Me 
Question 1082526: The tangent to y = x^43 - 6x^2 + 8x @ (3,-3) intersects the curve at another point. Determine this point.
Click here to see answer by ikleyn(52747) About Me 
Question 1082528: For the curve y = x^2 + x, at what point does the normal line at (0,0) intersect the tangent line at (1,2)?
Click here to see answer by Alan3354(69443) About Me 
Question 1082525: For the curve y = x^2 + x, at what point does the normal line at (0,0) intersect the tangent line at (1,2)?
Click here to see answer by Alan3354(69443) About Me 
Question 1083273: Your leadership class is helping organize the Terry Fox run for students at an elementary school. The leadership students plan on giving an apple or an orange to each student who participates. There are 324 students at the elementary school. The cafeteria staff at the elementary school said apples are at least twice as popular as oranges because they do not need to be peeled. HELP!!
Click here to see answer by Boreal(15235) About Me 
Question 1083873: I need help finding the horizontal/vertical distance between coordinates (190, -1000) and (190, 10)
Click here to see answer by ikleyn(52747) About Me 
Question 1084012: If (k, 3) is a point on the line whose equation is 4x + y = -9, what is the value of k?
Click here to see answer by josgarithmetic(39613) About Me 
Question 1084012: If (k, 3) is a point on the line whose equation is 4x + y = -9, what is the value of k?
Click here to see answer by ikleyn(52747) About Me 
Question 1084004: Using the graphing method state a solution for each system.
x+y=3
x-y=3
Click here to see answer by josgarithmetic(39613) About Me 
Question 1084418: Find the area bounded by y-axis , the curve x^2=4a(y-2a) and y=6a
Click here to see answer by rothauserc(4718) About Me 
Question 1084485: Solve the equation 2l+2w=p in terms of the variable w.
Click here to see answer by MathLover1(20849) About Me 
Question 1084722: Identify the quadrant with a positive x-coordinate and a negative y-coordinate.
Click here to see answer by Fombitz(32388) About Me 
Question 1084721: The ordered pair (-8,-8) is located in what quadrant?
Click here to see answer by Fombitz(32388) About Me 
Question 1084720: Identify the quadrant with a negative x-coordinate and a positive y-coordinate
Click here to see answer by Fombitz(32388) About Me 
Question 1084720: Identify the quadrant with a negative x-coordinate and a positive y-coordinate
Click here to see answer by MathLover1(20849) About Me 
Question 1084712: Locate two ordered pairs
y = 2/3x +1
Click here to see answer by Fombitz(32388) About Me 
Question 1084798: Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set.
-4x < 32
Click here to see answer by Fombitz(32388) About Me 
Question 1084801: Which of the following numbers would be in the solution set to this inequality? Mark all that apply.
6x> 3
20

18

22

16
Click here to see answer by Fombitz(32388) About Me 
Question 1084818: Solve: x/3 - 6 ≥ -4
Click here to see answer by Alan3354(69443) About Me 
Question 1084816: Solve: -2x + 6 < 20
Click here to see answer by math_helper(2461) About Me 
Question 1084814: Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set.
x/6 - 3 ≥ 2
Click here to see answer by MathLover1(20849) About Me 
Question 1084813: Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set.
-4x + 8 < 32
Click here to see answer by math_helper(2461) About Me 
Question 1084825: Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set.
-4x + 8 < 32
Click here to see answer by MathLover1(20849) About Me