Equations With Given Points

How can you tell if a point is a solution to a system?

• It makes the first equation true.

• The (x,y) coordinates satisfy both equations

• It makes logical sense

• It makes neither equation negative

These two lines intersect at _____

• (4, -2)

• (4, 2)

• (-2, 4) 

• No solution

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

What is the solution?
(Hint:  Both lines are graphed over each other)

• One Solution

• No solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

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 the equation of the line that passes through the points (-5, -2) and (0, -1)

• y=1/5x-2

• y=1/5x+1

• y=1/5x+3

• y=1/5x-1

Write the equation of a straight line that passes through the given points

• y = -4x+6

• y = 2x-2

• y = 4x-2

• y = 4x+6

• y = 2x + 4

Solving problems using the equation of a straight line: A line passes through the points (1, 4) and (5, 10). Find the equation of the line.

• y = 3x + 5

• y = 4x + 3

• y = 6x + 1

• y = 2x + 2

Find the equation of the straight line passing through A(10, -2) and B(4, 1) .

Write an equation of a line containing the points (1,5) and (4,2) in point-slope form