Inequalities and Equations Reveal Math

Solve this equation

a - 2.1 = 5.8

• a = 7.9

• a = 3.7

• a = 5.8

• None of these match my answer

Please solve this equation

^p/₅ = 7

• p = 35

• p = 12

• p = 2

• None of these match my answer

-3y + 2 > 11

• y < -3

• y > -3

• y < 3

• y > 3

• A
• B
• C
• D

Where did Rajendra make an error in his calculation?

• Step 1

• Step 2

• Step 3

• Rajendra is correct.

• A

• B

• C

• D

What is the solution to this inequality?

• x > −18

• x > 9

• x > 21

• x > −42

Solve

• p ≤ -12

• p ≥ -12

• p ≤ 20

• p ≥ 20

Which of the following is an equation?

• 2x - 3 = 7

• 2x + 3

• 2x + 3x > 7

• 2x + 3 < 0

Is this an equation or an inequality?

8 = 2x

• Equation

• Inequality