1. Irene made a mistake when she solved this inequality:

Step 1: - 6 (x + 3) + 10 < - 2

Step 2: - 6x - 18 + 10 < - 2

Step 3: - 6x - 8 < - 2

Step 4: - 6x < 6

Step 5: x < - 1

Between which two consecutive steps did Irene make a mistake?

A. step 1 and step 2

B. step 2 and step 3

C. step 3 and step 4

D. step 4 and step 5

Question

Mathematics

Jaida

7 March, 23:02

1. Irene made a mistake when she solved this inequality:

Step 1: - 6 (x + 3) + 10 < - 2

Step 2: - 6x - 18 + 10 < - 2

Step 3: - 6x - 8 < - 2

Step 4: - 6x < 6

Step 5: x < - 1

Between which two consecutive steps did Irene make a mistake?

A. step 1 and step 2

B. step 2 and step 3

C. step 3 and step 4

D. step 4 and step 5

+1

Answers (1)

Know the Answer?

Juliana Holt · Answer 1

The answer would be D, step 4 and step 5.

Step-by-step explanation:

Her mistake was that she forgot to flip the inequality symbol when dividing both sides of the equation by a negative number.