Assignment 3/8 or 3/9

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

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

Tags

CCSS.8.EE.C.8B

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8B

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Tags

CCSS.8.EE.C.8A

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines
• Same line
• Parallel lines

Tags

CCSS.8.EE.C.8A

What is a solution of a linear system?

• the slope of the line
• the y-intercept
• the point where the graphs intersect
• the rise over run

Tags

CCSS.8.EE.C.8B

Solve for y:
5x + y = -10

• y = 5x + 10
• y = -5x - 10
• y = 2
• y = -5

Tags

CCSS.6.EE.C.9

Solve for y: 
3x + y = 12

• y = -3x +12
• x = y + 4
• x = y + 12
• y = 3x -12

Tags

CCSS.6.EE.C.9

Solve for y: 
4x + 3y = 9

• y = -3/4x + 3
• y = -4x + 9
• y = -4/3x + 3
• 3y = -4x + 9

Tags

CCSS.6.EE.C.9