Solving Equations and Inequalities

Solve:

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

• x = 1.2

• x = 6

• x = -6

• x = 7.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve the literal equation for the given variable.

• 2A/h
• 2/(h)
• 2Ah
• Ah/2

Tags

CCSS.HSA.CED.A.4

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Which of the following inequalities would require you to flip the sign when solving?

• 2x < 3
• 3x > - 9
• -4x ≥ 10
• 5x ≤ 15

Tags

CCSS.6.EE.B.8

solve 26 + m ≥ 5(-6  + 3m)

• m ≥ 4
• m = 4
• m ≥ -4 
• m ≤ 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

-x²+7x-10+4x²-6x+8

• 4x²+13x+18
• 3x²-x+2
• 3x²+x-2
• 6x²-2x-2

Tags

CCSS.6.EE.A.3

5x²+8(x+1)+6+x²+3x-7

• 6x²+11x+7

• 17x²+7

• 24x²

• 17x+7

What is the first step to solve this equation:

-3x + 11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

Solve:
5y+34 = -2(-7y+1)

• y = -4
• y = 9
• y = 4
• y = 36/19

Tags

CCSS.HSA.REI.B.3