Solving Linear Equations

Which image shows a system of linear equations with no solutions?

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8A

Which image shows a system of linear equations with infinitely many solutions?

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8B

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
-4x = 24

• 20

• -20

• 6

• -6

Tags

CCSS.6.EE.B.7

Solve:
2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

You bought a magazine for $5 and four erasers. You spent a total of $29. Which equation could you solve to find out how much each eraser cost?

• 5 + x = 29

• 5 + 4x = 29

• 5x = 29

• 29 = 5x + 4

Tags

CCSS.7.EE.B.4A

ax + c = R
(solve for x) 

• ax = R + c

• ax = R - c

• x = a(R-c)

• x = (R-c) / a 

Tags

CCSS.7.EE.B.4A

Solve the equation for w.  
^{x = w / a}

• w = a / x

• w = x / a

• w = ax

• x = wa

Tags

CCSS.HSA.CED.A.4