Determining Line Equations Through Two Points

What is the formula used to determine the equation of a line through two points?

• y * y1 / y2 * y1 = x * x1 / x2 * x1

• y / y1 / y2 / y1 = x / x1 / x2 / x1

• y + y1 / y2 + y1 = x + x1 / x2 + x1

• y - y1 / y2 - y1 = x - x1 / x2 - x1

Tags

CCSS.HSG.GPE.B.6

In the second problem, if point K is (4,-3) and point L is (-2,6), what are the values of x1, y1, x2, and y2 respectively?

• x1=-2, y1=6, x2=4, y2=-3

• x1=-3, y1=4, x2=6, y2=-2

• x1=4, y1=-3, x2=-2, y2=6

• x1=6, y1=-2, x2=-3, y2=4

In the first problem, if point A is (2,5) and point B is (4,6), what are the values of x1, y1, x2, and y2 respectively?

• x1=5, y1=2, x2=6, y2=4

• x1=6, y1=4, x2=5, y2=2

• x1=4, y1=6, x2=2, y2=5

• x1=2, y1=5, x2=4, y2=6

Tags

CCSS.6.EE.C.9

What is the simplified equation obtained in the first problem after applying the formula?

• 2y - 10 = x - 2

• 2y + 10 = x + 2

• 2y - 10 = x + 2

• 2y + 10 = x - 2

Tags

CCSS.HSG.GPE.B.6

What is the final simplified equation obtained in the second problem after applying the formula?

• 3x + 2y - 6 = 0

• 3x - 2y + 6 = 0

• 3x + 2y + 6 = 0

• 3x - 2y - 6 = 0