Equation of Line Given Points

On the coordinate plane in the image, triangle PQR is similar to triangle RST. The corresponding side lengths of triangle RST and triangle PQR are in the ratio of 3:1. What is the equation of the line containing the points P and T.

Tags

CCSS.8.EE.B.6

Write equation of the line containing (6,3) and (4,1)

• y = -1x + 5

• y = 1x - 3

• y = 1x + 5

• y = -1x + 3

What is an equation for the line that passes through the coordinates (2,7) and (0, 1)?

• y = 3x + 1

• y = 1x + 3

• y = x - 3

• y = -x + 3

Write equation of the line containing (-1,-3) and (1,1)

• y = -2x + 1

• y = 2x -1

• y = 2x + 7

• y = -2x - 1

Write the equation of a line in slope intercept form.
( 2, 0 ) and ( 4, 4 )

• y = 2x - 4

• y = 1/2x + 2

Write the equation of a line in slope intercept form.
( -3, -9 ) and ( 2, 6 )

• y = 3x

• y = 1/3x - 8

Write the equation
y = mx + b
m = -1
(-2, 4)

• x = -2

• y = 4x - 2

• b = 2

• y = -1x + 2

Write the equation of a line that passes through the point (-5,-4) and has a slope of 1/5.

• y=1/5x - 3

• y=-3x-2/5

• y= 1/5x - 4

• y= 1/5x + 3

Write the equation in point-slope form for the line that contains the point (3, -5) and has a slope of 2.

• y - 5 = 2(x + 3)

• y + 5 = 2(x - 3)

• y - 3 = 2(x + 5)

• y + 3 = 2(x - 5)