The straight line L1 that passes through the points P1 (2, 8) and P2 (7, 5), and the straight line L2 passes through P3 (-4, -8) and P4 (5, 7).

Q: Explain how to plot the point (3, -2, 1) in ℝ3.

A:

Q: 7x - 2y = 19  3x + 5y = 14

A:

Q: Find the number a that makes the point (6, a) line on the line that contains the points (−2, −1) and…

A: L

Q: The points (x, -5) and (2, y) are on the line containing the points (-14, 7) and (10, 1). What is…

A: equation of line containing two points (x1,x2) and (y1,y2) is y-y1=y2-y1x2-x1x-x1

Q: 4x+2y=-24 -x-4y=-15

A:

Q: 7x-9+2x=-3(-2+12)

A: 7x-9+2x = -3(-2+12) adding x turms together:9x -9 = -3(10)9x = -30+99x = -21x = -219

Q: 2x=3y-4, -6x+12y=6

A: It is an important part of statistics. It is widely used.

Q: Find a + b, 2a + 3b, lal, and la - b|. a = (4, –3), b = (-2, 5) a + b = (9,2) (2,9) 2a + 3b =

A:

Q: the y-intercept of (-7,-4) and (-5,-6

A: Given line passes through the points (-7,-4) and (-5,-6)

Q: Find the slope of the line that passes through (-8,-5) (3,-2)

A:

Q: Write an equation of the line that passes through (0, 8)(0, 8) and (6, 8)(6, 8).

A: Given points are: (0,8) and (6,8)

Q: +-1--34 -4++-0

A:

Q: Draw a line perpendicular to the line that contains the points  (1, 8)  and  (4, 6)  and passes…

A: The formula used  Equation of line passing through 2 point (x1,y1) and (x2 , y2) is…

Q: 12x-3y=15, 4x-y=5

A:

Q: Find the equation of the line joining the points (5, 9) and (-4, -6)

A: Known fact: The equation of line passing through two points x1,y1 and x2,y2 is given by…

Q: Differentiate.

A: