Equations, Inequalities, Proportions

What is the error?

• Subtracting 1 from both sides

• Dividing by 6 on both sides

• 3(2x+1) equals 6x +1

• x equals 3/4

What is the error?

• Adding 5x to each side instead of 5

• Subtracting 7 from both sides

• Dividing -4 by 2 equals 2

• Dividing both sides by 2

Solve    -3x + 5 = -16

• 9

• 8

• -7

• 7

Solve for k. 

7k – 2 ≥ -9

• k ≤ -1

• k≤1

• k≥1

• k ≥ -1

• A
• B
• C
• D

• A
• B
• C
• D

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve 2x - 3 = 1 

• 3

• 2

• 1

• -2

What is the first step to solve
–5x – 8.4 = 17?

• divide by –5 on both sides

• subtract 8.4 from both sides

• subtract 17 from both sides

• add 8.4 to both sides

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.