Approximating Solutions to Systems of Equations

What is a solution of a linear system?

• the slope of the line
• the y-intercept
• the point where the systems intersect
• the rise over tun

Tags

CCSS.8.EE.C.8B

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

Tags

CCSS.8.EE.C.8B

• The first equation should be multiplied by 2 and the second equation by 3.

• The first equation should be multiplied by 2 and the second equation by -3.

• The first equation should be multiplied by 3 and the second equation by 4.

• The first equation should be multiplied by 3 and the second equation by -4.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions?

• no solution

• one solution

• infinitely many solutions

Tags

CCSS.8.EE.C.8B

• (-9, 3)

• (-7 ,5)

• (3, 15)

• (9, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (0,3)

• (3,0)

• no solution (parallel lines)

• infinitely many solutions (same line)

Tags

CCSS.8.EE.C.8B

• (-2.7, 2.1)

• (-2.1, 2.7)

• (2.1, 2.7)

• (2.7, 2.1)

Tags

CCSS.8.EE.C.8B

If a system of equations has no solution, what does the graph look like?

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution?

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

Tags

CCSS.8.EE.C.8B

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6