Solving Systems of Equations

• y = 3

• y = -3

• y = 7

• y = -4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• x = 9

• x = 39

• x = -9

• x = -5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The knitting club sold a total of 40 scarves AND hats at a winter festival and made $700 from the sales. They charged $18 for each scarf and $14 for each hat.

If they sold 35 scarves, how many hats did they sell?

• 14 hats.

• 40 hats

• 700 hats

• 5 hats

Tags

CCSS.7.EE.B.4A

The knitting club sold a total of 40 scarves AND hats at a winter festival and made $700 from the sales. They charged $18 for each scarf and $14 for each hat.

If they made $630 selling scarves, how much money did they make selling hats?

• $14

• $70

• $700

• $5

Tags

CCSS.7.EE.B.4A

How do you know if a system of equations has infinitely many solutions?

• The equations are identical.

• The equations have different slopes.

• The graphs are parallel lines.

• The graphs intersect at one point.

Tags

CCSS.8.EE.C.8B

How do you know if a system of equations has no solutions?

• The lines are parallel.

• The lines intersect at one point.

• The lines are the same.

• The equations are identical.

Tags

CCSS.8.EE.C.8A

• x = 8

• x = -8

• x = -5

• x = -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• y = 7

• y = -6

• y = 2

• y = -2

Tags

CCSS.HSA.REI.C.9